#VU119801 Information disclosure in SIMATIC CN 4100 - CVE-2025-40940

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Main Vulnerability Database Vulnerabilities #VU119801

#VU119801 Information disclosure in SIMATIC CN 4100 - CVE-2025-40940

Published: December 10, 2025


Vulnerability identifier: #VU119801
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40940
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC CN 4100
Software vendor:
Siemens

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to the affected application exhibits inconsistent SNMP behavior. A remote administrator can gain unauthorized access to sensitive information on the system.


Remediation

Install updates from vendor's website.

External links