Path traversal in QuTS hero and QNAP QTS - CVE-2025-59381

 

Path traversal in QuTS hero and QNAP QTS - CVE-2025-59381

Published: January 5, 2026


Vulnerability identifier: #VU120928
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-59381
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.


Affected software

QuTS hero
QNAP QTS

How to mitigate CVE-2025-59381

Install updates from vendor's website.

QuTS hero - addressed in versions h5.2.8.3321 build 20251117, h5.3.1.3250 build 20250912
QNAP QTS - update to 5.2.8.3332 20251128

External References

Related Security Bulletins