CVE-2025-62853: qnap systems inc. file station 5 Path Traversal

Vulnerability summary

CVE-2025-62853 is a medium (CVSS 6.5) Path Traversal vulnerability in qnap systems inc. file station 5. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.2% of scored vulnerabilities.

Timeline

1. 11-02-2026
   PublishedVulnerability first disclosed.
2. 11-02-2026
   Last modifiedVulnerability information updated.

Description

A path traversal vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5166 and later

• 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.