CVE-2025-59381 MEDIUM

CVE-2025-59381: QTS, QuTS hero

Vendor Qnap Systems Inc.
Product QTS
Weakness CWE-22 · Path traversal
Published January 2, 2026
Last update June 9, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

January 2, 2026 CVE published
June 9, 2026 Record updated