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
References
| Link | Resource |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-26-10 | Broken Link Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
23 Jul 2026, 09:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary |
|
17 Jun 2026, 09:56
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://www.qnap.com/en/security-advisory/qsa-26-10 - Broken Link, Vendor Advisory |
15 Jun 2026, 18:32
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.2 |
| CPE | cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* |
|
| First Time |
Qnap quts Hero
Qnap qts Qnap |
|
| References | () https://www.qnap.com/en/security-advisory/qsa-26-10 - Vendor Advisory, Broken Link |
10 Jun 2026, 04:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-06-10 04:17
Updated : 2026-07-23 09:10
NVD link : CVE-2025-66273
Mitre link : CVE-2025-66273
CVE.ORG link : CVE-2025-66273
JSON object : View
Products Affected
qnap
- qts
- quts_hero
CWE
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
