Information disclosure in SIMATIC CN 4100 - CVE-2025-40941
Published: December 10, 2025
Vulnerability identifier: #VU119802
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-40941
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the affected devices exposes server information in its responses. A remote user can gain unauthorized access to sensitive information on the system.
Affected software
SIMATIC CN 4100
How to mitigate CVE-2025-40941
Install updates from vendor's website.
SIMATIC CN 4100 - update to 4.0.1