Info Disclosure in Siemens .NET Client Lib for SIMATIC S7 <3.3.62
CVE-2026-85115 Published on October 13, 2026
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.
Weakness Type
Generation of Error Message Containing Sensitive Information
The software generates an error message that includes sensitive information about its environment, users, or associated data.
Affected Versions
Siemens .NET Client Library for SIMATIC S7 Webserver API:- Before V3.3.62 is affected.