CVE-2025-59381

QTS, QuTS hero

State: Published
Severity: 6.9 Medium
Published: Jan 2, 2026
Updated: Jun 9, 2026
Reserved: Sep 15, 2025

Description

A path traversal vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator 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 versions: QTS 5.2.8.3332 build 20251128 and later QuTS hero h5.2.8.3321 build 20251117 and later QuTS hero h5.3.2.3354 build 20251225 and later

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	qnap

Weaknesses

CWE-22

Affected Products

Product	Versions
QTSQNAP Systems Inc.	5.2.0 to before 5.2.8.3332 build 20251128Affected
QuTS heroQNAP Systems Inc.	h5.2.0 to before h5.2.8.3321 build 20251117Affected h5.3.0 to before h5.3.2.3354 build 20251225Affected

References

https://www.qnap.com/en/security-advisory/qsa-25-51

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