CVE-2026-85115

A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.62). Affected applications do not properly redact PLC restore passwords from HTTP error exception messages. This could allow an attacker with access to logs or other diagnostic output to obtain the plaintext restore password and potentially perform unauthorized operations on the PLC.

Score
CVSS 4.0 6.8 Medium
Status
Deferred - productcert@siemens.com
Published
2026-10-13
Last modified
2026-10-15
Weaknesses
CWE-209

Affected products

References