CVE-2025-40629: Pnetlab

High severity, CVSS 8.7. EPSS: 0.8% chance of exploitation in the next 30 days.

PNETLab 4.2.10 does not properly sanitize user inputs in its file access mechanisms. This allows attackers to perform directory traversal by manipulating file paths in HTTP requests. Specifically, the application is vulnerable to requests that access sensitive files outside the intended directory.

Affected products

• Pnetlab Pnetlab: version 4.2.10 only

Published 2025-05-16. Last modified 2026-06-17.