CVE Catalog

CVE-2026-3869

CriticalCVSS 9.2
Published: Translated: NVD NIST

Summary

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.

Risk Assessment

Could lead to loss of confidentiality, integrity, and availability of the PLC, potentially disrupting industrial processes.

Recommendation

Apply appropriate mitigations as recommended by the vendor to ensure correct implementation of the authentication algorithm and avoid running projects with a lower application level.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS