Medium CVSS 6.9

Overview

A directory traversal vulnerability exists in Linksys router's web interface (tested on the E1500 model firmware versions 1.0.00, 1.0.04, and 1.0.05), specifically in the /apply.cgi endpoint. Authenticated attackers can exploit the next_page POST parameter to access arbitrary files outside the intended web root by injecting traversal sequences. This allows exposure of sensitive system files and configuration data.

Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 6.9 (MEDIUM)
  • Detected tags: path (tag impact: MODERATE)

Recommended actions:

  • Canonicalize path; block `..` traversal; use allowlists.

Recommended tools

Tags