PT-2026-48361 · Qnap Systems · Qts+1

Published 2026-06-10 · Updated 2026-06-10 · CVE-2025-66279

Mitre

CVSS v4.0

8.6

High

Base vector

AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

A command injection 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 execute arbitrary commands.

We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2025-66279

Affected Products

Qts

Quts Hero

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2025-66279 · Security Note
• https://qnap.com/en/security-advisory/qsa-26-10 · Note