Buffer Copy Without Checking Size of Input in Automotive Audio (CVE-2025-47404)
Published Last modified Sources: CVE.org, EUVD
What is affected, what to do
Memory corruption when dynamically changing the size of a previously allocated buffer while its contents are being modified.
The available sources name no fixed version. Check the vendor guidance in the references below.
- Affected
- Qualcomm Snapdragon
eq 5G Fixed Wireless Access Platform..5G Fixed Wireless Access Platform - Qualcomm Snapdragon
eq AR8031..AR8031 - Qualcomm Snapdragon
eq AR8035..AR8035 - Qualcomm Snapdragon
eq C-V2X 9150..C-V2X 9150 - Qualcomm Snapdragon
eq CSRA6620..CSRA6620 - Qualcomm Snapdragon
eq CSRA6640..CSRA6640 - Qualcomm Snapdragon
eq FastConnect 6200..FastConnect 6200 - Qualcomm Snapdragon
eq FastConnect 6700..FastConnect 6700 - Qualcomm Snapdragon
eq FastConnect 6800..FastConnect 6800 - Qualcomm Snapdragon
eq FastConnect 6900..FastConnect 6900 - Qualcomm Snapdragon
eq FastConnect 7800..FastConnect 7800 - Qualcomm Snapdragon
eq Flight RB5 5G Platform..Flight RB5 5G Platform - Qualcomm Snapdragon
eq FWA Gen 3 Ultra Platform..FWA Gen 3 Ultra Platform - Qualcomm Snapdragon
eq G1 Gen 1..G1 Gen 1 - Qualcomm Snapdragon
eq G3x Gen 2..G3x Gen 2 - Qualcomm Snapdragon
eq Kalpeni..Kalpeni - Qualcomm Snapdragon
eq LeMans_AU_LGIT..LeMans_AU_LGIT - Qualcomm Snapdragon
eq LeMansAU..LeMansAU - Qualcomm Snapdragon
eq MDM9250..MDM9250 - Qualcomm Snapdragon
eq MDM9628..MDM9628 - Qualcomm Snapdragon
eq Milos..Milos - Qualcomm Snapdragon
eq Milos_IOT..Milos_IOT - Qualcomm Snapdragon
eq QAM8255P..QAM8255P - Qualcomm Snapdragon
eq QAM8295P..QAM8295P - Qualcomm Snapdragon
eq QAMSRV1H..QAMSRV1H - Qualcomm Snapdragon
eq QAMSRV1M..QAMSRV1M - Qualcomm Snapdragon
eq QCA2066..QCA2066 - Qualcomm Snapdragon
eq QCA6174A..QCA6174A - Qualcomm Snapdragon
eq QCA6391..QCA6391 - Qualcomm Snapdragon
eq QCA6564A..QCA6564A - Qualcomm Snapdragon
eq QCA6564AU..QCA6564AU - Qualcomm Snapdragon
eq QCA6574..QCA6574 - Qualcomm Snapdragon
eq QCA6574A..QCA6574A - Qualcomm Snapdragon
eq QCA6574AU..QCA6574AU - Qualcomm Snapdragon
eq QCA6584AU..QCA6584AU - Qualcomm Snapdragon
eq QCA6595..QCA6595 - Qualcomm Snapdragon
eq QCA6595AU..QCA6595AU - Qualcomm Snapdragon
eq QCA6678AQ..QCA6678AQ - Qualcomm Snapdragon
eq QCA6688AQ..QCA6688AQ - Qualcomm Snapdragon
eq QCA6696..QCA6696 - Qualcomm Snapdragon
eq QCA6698AQ..QCA6698AQ - Qualcomm Snapdragon
eq QCA6698AU..QCA6698AU - Qualcomm Snapdragon
eq QCA6797AQ..QCA6797AQ - Qualcomm Snapdragon
eq QCA8081..QCA8081 - Qualcomm Snapdragon
eq QCA8337..QCA8337 - Qualcomm Snapdragon
eq QCA8695AU..QCA8695AU - Qualcomm Snapdragon
eq QCA9367..QCA9367 - Qualcomm Snapdragon
eq QCA9377..QCA9377 - Qualcomm Snapdragon
eq QCC710..QCC710 - Qualcomm Snapdragon
eq QCM2290..QCM2290 - Qualcomm Snapdragon
eq QCM4325..QCM4325 - Qualcomm Snapdragon
eq QCM5430..QCM5430 - Qualcomm Snapdragon
eq QCM6125..QCM6125 - Qualcomm Snapdragon
eq QCM6490..QCM6490 - Qualcomm Snapdragon
eq QCN6224..QCN6224 - Qualcomm Snapdragon
eq QCN6274..QCN6274 - Qualcomm Snapdragon
eq QCN9011..QCN9011 - Qualcomm Snapdragon
eq QCN9012..QCN9012 - Qualcomm Snapdragon
eq QCS2290..QCS2290 - Qualcomm Snapdragon
eq QCS4290..QCS4290 - Qualcomm Snapdragon
eq QCS6690..QCS6690 - Qualcomm Snapdragon
eq QCS8550..QCS8550 - Qualcomm Snapdragon
eq QEP8111..QEP8111 - Qualcomm Snapdragon
eq QFW7114..QFW7114 - Qualcomm Snapdragon
eq QFW7124..QFW7124 - Qualcomm Snapdragon
eq QRB5165M..QRB5165M - Qualcomm Snapdragon
eq QRB5165N..QRB5165N - Qualcomm Snapdragon
eq Qualcomm 215 Mobile Platform..Qualcomm 215 Mobile Platform - Qualcomm Snapdragon
eq Qualcomm Video Collaboration VC1 Platform..Qualcomm Video Collaboration VC1 Platform - Qualcomm Snapdragon
eq Qualcomm Video Collaboration VC3 Platform..Qualcomm Video Collaboration VC3 Platform - Qualcomm Snapdragon
eq Qualcomm Video Collaboration VC5 Platform..Qualcomm Video Collaboration VC5 Platform - Qualcomm Snapdragon
eq Robotics RB2 Platform..Robotics RB2 Platform - Qualcomm Snapdragon
eq Robotics RB5 Platform..Robotics RB5 Platform - Qualcomm Snapdragon
eq SA2150P..SA2150P - Qualcomm Snapdragon
eq SA4150P..SA4150P - Qualcomm Snapdragon
eq SA4155P..SA4155P - Qualcomm Snapdragon
eq SA6145P..SA6145P - Qualcomm Snapdragon
eq SA6150P..SA6150P - Qualcomm Snapdragon
eq SA6155..SA6155 - Qualcomm Snapdragon
eq SA6155P..SA6155P - Qualcomm Snapdragon
eq SA7255P..SA7255P - Qualcomm Snapdragon
eq SA7775P..SA7775P - Qualcomm Snapdragon
eq SA8145P..SA8145P - Qualcomm Snapdragon
eq SA8150P..SA8150P - Qualcomm Snapdragon
eq SA8155..SA8155 - Qualcomm Snapdragon
eq SA8155P..SA8155P - Qualcomm Snapdragon
eq SA8195P..SA8195P - Qualcomm Snapdragon
eq SA8255P..SA8255P - Qualcomm Snapdragon
eq SA8295P..SA8295P - Qualcomm Snapdragon
eq SA8620P..SA8620P - Qualcomm Snapdragon
eq SA8770P..SA8770P - Qualcomm Snapdragon
eq SA9000P..SA9000P - Qualcomm Snapdragon
eq SD662..SD662 - Qualcomm Snapdragon
eq SD865 5G..SD865 5G - Qualcomm Snapdragon
eq SDA660..SDA660 - Qualcomm Snapdragon
eq SM6225P..SM6225P - Qualcomm Snapdragon
eq SM6650P..SM6650P - Qualcomm Snapdragon
eq SM7325P..SM7325P - Qualcomm Snapdragon
eq SM7525..SM7525 - Qualcomm Snapdragon
eq SM7550..SM7550 - Qualcomm Snapdragon
eq SM7550P..SM7550P - Qualcomm Snapdragon
eq SM7635P..SM7635P - Qualcomm Snapdragon
eq SM7675..SM7675 - Qualcomm Snapdragon
eq SM7675P..SM7675P - Qualcomm Snapdragon
eq SM8550P..SM8550P - Qualcomm Snapdragon
eq SM8635..SM8635 - Qualcomm Snapdragon
eq SM8635P..SM8635P - Qualcomm Snapdragon
eq SM8650Q..SM8650Q - Qualcomm Snapdragon
eq Smart Audio 400 Platform..Smart Audio 400 Platform - Qualcomm Snapdragon
eq Snapdragon 4 Gen 1 Mobile Platform..Snapdragon 4 Gen 1 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 460 Mobile Platform..Snapdragon 460 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 480 5G Mobile Platform..Snapdragon 480 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 480+ 5G Mobile Platform..Snapdragon 480+ 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 6 Gen 4 Mobile Platform..Snapdragon 6 Gen 4 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 660 Mobile Platform..Snapdragon 660 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 662 Mobile Platform..Snapdragon 662 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 680 4G Mobile Platform..Snapdragon 680 4G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 685 4G Mobile Platform..Snapdragon 685 4G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 690 5G Mobile Platform..Snapdragon 690 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 695 5G Mobile Platform..Snapdragon 695 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 778G 5G Mobile Platform..Snapdragon 778G 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 778G+ 5G Mobile Platform..Snapdragon 778G+ 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 782G Mobile Platform..Snapdragon 782G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 7c+ Gen 3 Compute..Snapdragon 7c+ Gen 3 Compute - Qualcomm Snapdragon
eq Snapdragon 7s Gen 3 Mobile Platform..Snapdragon 7s Gen 3 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 8 Gen 2 Mobile Platform..Snapdragon 8 Gen 2 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 8 Gen 3 Mobile Platform..Snapdragon 8 Gen 3 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 8+ Gen 2 Mobile Platform..Snapdragon 8+ Gen 2 Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 865 5G Mobile Platform..Snapdragon 865 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 865+ 5G Mobile Platform..Snapdragon 865+ 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 870 5G Mobile Platform..Snapdragon 870 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 888 5G Mobile Platform..Snapdragon 888 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon 888+ 5G Mobile Platform..Snapdragon 888+ 5G Mobile Platform - Qualcomm Snapdragon
eq Snapdragon Auto 5G Modem-RF..Snapdragon Auto 5G Modem-RF - Qualcomm Snapdragon
eq Snapdragon Auto 5G Modem-RF Gen 2..Snapdragon Auto 5G Modem-RF Gen 2 - Qualcomm Snapdragon
eq Snapdragon W5+ Gen 1 Wearable Platform..Snapdragon W5+ Gen 1 Wearable Platform - Qualcomm Snapdragon
eq Snapdragon X12 LTE Modem..Snapdragon X12 LTE Modem - Qualcomm Snapdragon
eq Snapdragon X32 5G Modem-RF System..Snapdragon X32 5G Modem-RF System - Qualcomm Snapdragon
eq Snapdragon X35 5G Modem-RF System..Snapdragon X35 5G Modem-RF System - Qualcomm Snapdragon
eq Snapdragon X53 5G Modem-RF System..Snapdragon X53 5G Modem-RF System - Qualcomm Snapdragon
eq Snapdragon X55 5G Modem-RF System..Snapdragon X55 5G Modem-RF System - Qualcomm Snapdragon
eq Snapdragon X72 5G Modem-RF System..Snapdragon X72 5G Modem-RF System - Qualcomm Snapdragon
eq Snapdragon X75 5G Modem-RF System..Snapdragon X75 5G Modem-RF System - Qualcomm Snapdragon
eq Snapdragon XR2 5G Platform..Snapdragon XR2 5G Platform - Qualcomm Snapdragon
eq Snapdragon XR2+ Gen 1 Platform..Snapdragon XR2+ Gen 1 Platform - Qualcomm Snapdragon
eq SnapdragonAuto 4GModem..SnapdragonAuto 4GModem - Qualcomm Snapdragon
eq SRV1H..SRV1H - Qualcomm Snapdragon
eq SRV1M..SRV1M - Qualcomm Snapdragon
eq SW5100..SW5100 - Qualcomm Snapdragon
eq SW5100P..SW5100P - Qualcomm Snapdragon
eq SXR2230P..SXR2230P - Qualcomm Snapdragon
eq SXR2250P..SXR2250P - Qualcomm Snapdragon
eq SXR2330P..SXR2330P - Qualcomm Snapdragon
eq SXR2350P..SXR2350P - Qualcomm Snapdragon
eq WCD9326..WCD9326 - Qualcomm Snapdragon
eq WCD9335..WCD9335 - Qualcomm Snapdragon
eq WCD9340..WCD9340 - Qualcomm Snapdragon
eq WCD9341..WCD9341 - Qualcomm Snapdragon
eq WCD9360..WCD9360 - Qualcomm Snapdragon
eq WCD9370..WCD9370 - Qualcomm Snapdragon
eq WCD9371..WCD9371 - Qualcomm Snapdragon
eq WCD9375..WCD9375 - Qualcomm Snapdragon
eq WCD9378..WCD9378 - Qualcomm Snapdragon
eq WCD9380..WCD9380 - Qualcomm Snapdragon
eq WCD9385..WCD9385 - Qualcomm Snapdragon
eq WCD9390..WCD9390 - Qualcomm Snapdragon
eq WCD9395..WCD9395 - Qualcomm Snapdragon
eq WCN3615..WCN3615 - Qualcomm Snapdragon
eq WCN3660B..WCN3660B - Qualcomm Snapdragon
eq WCN3680B..WCN3680B - Qualcomm Snapdragon
eq WCN3910..WCN3910 - Qualcomm Snapdragon
eq WCN3950..WCN3950 - Qualcomm Snapdragon
eq WCN3980..WCN3980 - Qualcomm Snapdragon
eq WCN3988..WCN3988 - Qualcomm Snapdragon
eq WCN3990..WCN3990 - Qualcomm Snapdragon
eq WCN6450..WCN6450 - Qualcomm Snapdragon
eq WCN6650..WCN6650 - Qualcomm Snapdragon
eq WCN6755..WCN6755 - Qualcomm Snapdragon
eq WCN7861..WCN7861 - Qualcomm Snapdragon
eq WCN7881..WCN7881 - Qualcomm Snapdragon
eq WSA8810..WSA8810 - Qualcomm Snapdragon
eq WSA8815..WSA8815 - Qualcomm Snapdragon
eq WSA8830..WSA8830 - Qualcomm Snapdragon
eq WSA8832..WSA8832 - Qualcomm Snapdragon
eq WSA8835..WSA8835 - Qualcomm Snapdragon
eq WSA8840..WSA8840 - Qualcomm Snapdragon
eq WSA8845..WSA8845 - Qualcomm Snapdragon
eq WSA8845H..WSA8845H
- Qualcomm Snapdragon
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Metrics
7.8
Priority
XIEM Effective CVSS: highest available CVSS rating from NVD and vendor data.
Source: NVD, CVSS v3
6.5
CVSS v3
Severity Medium on the scale from 0 to 10.
Source: CVE.org, EUVD
0.1 %
EPSS score
Low — model estimates < 1% exploitation likelihood.
Source: FIRST EPSS, percentile 0.0
Show all metrics
- Severity
- High
Priority (0–325)
The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first?
Read in glossary- 49.51 Methodology
Exploit maturity
An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack.
Read in glossary- no public PoC known
XIEM Effective CVSS
XIEM® is the tiered managed-security operating model from NEOSEC and a registered trademark of NEOSEC GmbH. It extends classic SIEM — the central collection, normalisation and correlation of security-relevant events — with endpoint forensics, network visibility and deception technology, and consolidates them into three building tiers: Sentry, Orchestrate and Command.
Read in glossary- 7.8 Methodology
CVSS v3
CVSS is the globally established, open standard for assessing the technical severity of a vulnerability on a scale from 0 to 10. It describes how easily a flaw can be exploited and what damage it can cause — but not how likely its actual exploitation is. CVSS and the complementary EPSS deliberately answer different questions.
Read in glossary- 6.5
EPSS score
The EPSS score is the absolute model output for an individual vulnerability: the estimated probability of real-world exploitation within the next 30 days, expressed as a value between 0 and 1 (i.e. 0 % to 100 %). A score of 0.42 means „the model estimates a 42 % chance of real-world exploitation within 30 days“.
Read in glossary- 0.1 %
- Low — model estimates < 1% exploitation likelihood.
EPSS percentile
The EPSS percentile is the relative position of a vulnerability within all EPSS-scored CVEs, expressed as a value between 0 and 1. A percentile of 0.90 means „this CVE has a higher EPSS score than 90 % of all other scored CVEs“. Unlike the EPSS score, it is not a probability — but a positioning within a ranking.
Read in glossary- 0.0
- Low — this CVE sits in the lower 10% of all CVEs scored today.
KEV status
The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching.
Read in glossary- —
- Published
- CISA assessment (SSVC)
- Exploitation: none known · not automatable · Technical impact: total
- Source: CISA Vulnrichment, as of 4 May 2026
CWE
CWE is a catalogue of typical weakness types in software and hardware — such as flawed input validation, unsafe memory handling or poor authentication. Where a CVE names a concrete vulnerability in a concrete product, a CWE describes the underlying class of defect.
Read in glossary- CWE-120
Detection rules
No NEOSEC detection rule is available for this vulnerability yet.
Classification under NIS2 and CRA
Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.
NIS2
NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management.
Read in glossary- High technical severity: assess and remediate the vulnerability in vulnerability handling under Art. 21(2)(e) NIS2 and document the decision.
CRA
The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates.
Read in glossary- From 11.12.2027, Annex I Part II CRA requires manufacturers of affected products with digital elements to handle vulnerabilities without delay and provide security updates.
ISO/IEC 27001
ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security.
Read in glossary- Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.
Description
Memory corruption when dynamically changing the size of a previously allocated buffer while its contents are being modified.
Source: cvelistv5, NVD (NIST), CVE.org (MITRE), ENISA EUVD
Affected products
The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.
| Affected versions | Fixed in | ||
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
|
|
Vendors and products
- Qualcomm 215 Mobile Firmware
- Qualcomm Ar8031 Firmware
- Qualcomm Ar8035 Firmware
- Qualcomm Csra6620 Firmware
- Qualcomm Csra6640 Firmware
- Qualcomm C-v2x 9150 Firmware
- Qualcomm Fastconnect 6200 Firmware
- Qualcomm Fastconnect 6700 Firmware
- Qualcomm Fastconnect 6800 Firmware
- Qualcomm Fastconnect 6900 Firmware
- Qualcomm Fastconnect 7800 Firmware
- Qualcomm Flight Rb5 5g Firmware
Affected operating systems
| Other | qualcomm | 215_mobile_firmware | — |
| Other | qualcomm | 5g_fixed_wireless_access_firmware | — |
| Other | qualcomm | ar8031_firmware | — |
| Other | qualcomm | ar8035_firmware | — |
| Other | qualcomm | c-v2x_9150_firmware | — |
| Other | qualcomm | csra6620_firmware | — |
| Other | qualcomm | csra6640_firmware | — |
| Other | qualcomm | fastconnect_6200_firmware | — |
| Other | qualcomm | fastconnect_6700_firmware | — |
| Other | qualcomm | fastconnect_6800_firmware | — |
| Other | qualcomm | fastconnect_6900_firmware | — |
| Other | qualcomm | fastconnect_7800_firmware | — |
| Other | qualcomm | flight_rb5_5g_firmware | — |
| Other | qualcomm | fwa_gen_3_ultra_firmware | — |
| Other | qualcomm | g1_gen_1_firmware | — |
| Other | qualcomm | g3x_gen_2_firmware | — |
| Other | qualcomm | kalpeni_firmware | — |
| Other | qualcomm | lemans_au_lgit_firmware | — |
| Other | qualcomm | lemansau_firmware | — |
| Other | qualcomm | mdm9250_firmware | — |
| Other | qualcomm | mdm9628_firmware | — |
| Other | qualcomm | milos_firmware | — |
| Other | qualcomm | milos_iot_firmware | — |
| Other | qualcomm | qam8255p_firmware | — |
Weakness classes (CWE)
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Base
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Entry at MITRE CWE-120
References & sources
- docs.qualcomm.comproduct/publicresources/securitybulletin/may-2026-bulletin.html
Changes to this CVE
Who changed this CVE and when: NVD (analysis, affected products, CVSS), the CVE publisher (CNA) and additional providers such as CISA (ADP).
2 NVD translations into other languages are hidden.
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<a href="https://intel.neosec.eu/en/cve/CVE-2025-47404"><img src="https://intel.neosec.eu/badge/cve/CVE-2025-47404.svg?lang=en" alt="CVE-2025-47404 – NEOSEC Intel" height="20"></a>