Schneider Electric Security Notification · September 2026

CWE-303: Incorrect Implementation of Authentication Algorithm vulnerability exists that could cause loss of confidentiality, integrity and availability of the PLC provided an application project with a lower application level is running on the PLC.

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability exists that could cause privilege escalation to root and unauthorized execution of administrative functions when an authenticated user with SSH enabled interacts with the operating system console that improperly processes user-controlled input.

CWE-918: Server-Side Request Forgery (SSRF) vulnerability exists that could cause unauthorized command execution and disclosure of server data when an attacker with a privileged account sends crafted, unvalidated parameters to a server endpoint.

CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability exists that could cause remote code execution by an attacker with a privileged account when malicious arguments are provided as backup configuration parameters.

CWE-522: Insufficiently Protected Credentials vulnerability that could result in exposure of authentication information and unauthorized access to RTU functionality.