CVE-2025-66273 Details
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
A command injection vulnerability has been identified in several QNAP operating system versions. This vulnerability allows remote attackers with administrator access to execute arbitrary commands on the affected system. The issue has been addressed in QTS versions 5.2.9.3410 build 20260214 and later, as well as in QuTS hero versions h5.2.9.3410 build 20260214 and later, h5.3.4.3500 build 20260520 and later, and h6.0.0.3397 build 20260206 and later.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 10, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.qnap.com/en/security-advisory/qsa-26-10 | [email protected] | Broken LinkVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| qnap qts | >= 5.2.0.2737, < 5.2.9.3410 |
CPE
Remediation
| |
| qnap quts hero | >= h5.2.0.2737, < h5.2.9.3410 >= h5.3.0.3115, < h5.3.4.3500 >= h6.0.0.3324, < h6.0.0.3397 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | Initial Analysis | [email protected] |
| Jun 10, 2026 | New CVE Received | [email protected] |