Main Vulnerability Database Vulnerabilities #VU114670

Path traversal in QuTS hero and QNAP QTS - CVE-2025-30270

Published: September 2, 2025

Vulnerability identifier: #VU114670

CSH Severity: Medium

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-30270

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

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

Affected software

QuTS hero
QNAP QTS

How to mitigate CVE-2025-30270

Install updates from vendor's website.

QuTS hero - update to h5.2.5.3138 build 20250519
QNAP QTS - update to 5.2.5.3145 20250526

External References

https://www.qnap.com/en/security-advisory/qsa-25-21

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