SB2026010586 - Path traversal in QNAP Qfinder Pro, Qsync, and QVPN Device Client (for Mac)
Published: January 5, 2026
Security Bulletin ID
SB2026010586
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2025-53594)
The vulnerability allows a local user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can send a specially crafted HTTP request and read arbitrary files on the system.
Remediation
Install update from vendor's website.