Product by MediaTek
Mt6858 Firmware
21 known vulnerabilities in Mt6858 Firmware (MediaTek), 0 of them actively exploited (CISA KEV).
Key figures
21
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
0
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| High | CVE-2026-20521 | MediaTek chipset: Stack-based Buffer Overflow | 8.4 | |
| High | CVE-2026-20520 | MediaTek chipset: Out-of-bounds Write | 7.5 | |
| High | CVE-2026-20519 | MediaTek chipset: Out-of-bounds Write | 7.5 | |
| High | CVE-2026-20502 | MediaTek chipset: Heap-based Buffer Overflow | 8.4 | |
| High | CVE-2026-20501 | MediaTek chipset: Heap-based Buffer Overflow | 8.4 | |
| High | CVE-2026-20526 | MediaTek chipset: Out-of-bounds Write | 7.1 | |
| Medium | CVE-2026-20544 | MediaTek chipset: Out-of-bounds Write | 6.8 | |
| Medium | CVE-2026-20533 | MediaTek chipset: Integer Overflow or Wraparound | 6.7 | |
| Medium | CVE-2026-20529 | MediaTek chipset: Out-of-bounds Write | 6.7 | |
| Medium | CVE-2026-20527 | MediaTek chipset: Improper Validation of Array Index | 5.3 | |
| Medium | CVE-2026-20539 | MediaTek chipset: Buffer Over-read | 5.3 | |
| Medium | CVE-2026-20543 | MediaTek chipset: Insertion of Sensitive Information Into Debugging Code | 5.5 | |
| Medium | CVE-2026-20525 | MediaTek chipset: Reachable Assertion | 5.3 | |
| Medium | CVE-2026-20534 | MediaTek chipset: Out-of-bounds Read | 5.3 | |
| Medium | CVE-2026-20541 | MediaTek chipset: Buffer Over-read | 5.3 | |
| Medium | CVE-2026-20540 | MediaTek chipset: Buffer Over-read | 5.3 | |
| Medium | CVE-2026-20538 | MediaTek chipset: Buffer Over-read | 5.3 | |
| Medium | CVE-2026-20503 | MediaTek chipset: Reachable Assertion | 5.3 | |
| Medium | CVE-2026-20450 | MediaTek chipset: Reachable Assertion | 6.5 | |
| Medium | CVE-2026-20449 | MediaTek chipset: Classic Buffer Overflow | 6.5 | |
| Medium | CVE-2026-20500 | MediaTek chipset: Improper Certificate Validation | 5.0 |