CVE-2025-53392: netgate pfsense Absolute Path Traversal

Vulnerability summary

CVE-2025-53392 is a medium (CVSS 6.5) Absolute Path Traversal vulnerability in netgate pfsense. EPSS estimates a 1.85% chance of exploitation in the next 30 days, higher than 78.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 28-06-2025
   PublishedVulnerability first disclosed.
2. 30-06-2025
   Last modifiedVulnerability information updated.

Description

In Netgate pfSense CE 2.8.0, the "WebCfg - Diagnostics: Command" privilege allows reading arbitrary files via diag_command.php dlPath directory traversal. NOTE: the Supplier's perspective is that this is intended behavior for this privilege level, and that system administrators are informed through both the product documentation and UI.

• CWE-36Absolute Path TraversalThe product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize absolute path sequences such as "/abs/path" that can resolve to a location that is outside of that directory.