CVE-2026-15204: totolink x5000r_firmware Path Traversal

Vulnerability summary

CVE-2026-15204 is a medium (CVSS 6.9) Path Traversal vulnerability in totolink x5000r_firmware. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.5% of scored vulnerabilities.

Timeline

1. 09-07-2026
   PublishedVulnerability first disclosed.
2. 14-07-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415_B20250515/9.1.0cu.2350_B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched remotely.

• 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.