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

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

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


Workaround

No workaround given by the vendor.

History

Wed, 10 Jun 2026 03:45:00 +0000

Type Values Removed Values Added
Description 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
Title QTS, QuTS hero
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: qnap

Published:

Updated: 2026-06-10T03:05:38.333Z

Reserved: 2025-11-26T09:25:37.833Z

Link: CVE-2025-66279

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-10T04:17:12.190

Modified: 2026-06-10T04:17:12.190

Link: CVE-2025-66279

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses