CVE-2025-40738: siemens sinec nms Path Traversal

Vulnerability summary

CVE-2025-40738 is a high (CVSS 8.8) Path Traversal vulnerability in siemens sinec nms. EPSS estimates a 13.44% chance of exploitation in the next 30 days, higher than 96.4% of scored vulnerabilities.

Timeline

1. 08-07-2025
   PublishedVulnerability first disclosed.
2. 08-07-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not properly validate file paths when extracting uploaded ZIP files. This could allow an attacker to write arbitrary files to restricted locations and potentially execute code with elevated privileges (ZDI-CAN-26572).

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.