CVE-2025-66273
Last modified
CVE-2025-66273 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 1.05% chance of exploitation in the next 30 days.
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
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qnap | Qts | >= 5.2.0.2737, < 5.2.9.3410 |
| Qnap | Quts Hero | >= h5.2.0.2737, < h5.2.9.3410 |
| Qnap | Quts Hero | >= h5.3.0.3115, < h5.3.4.3500 |
| Qnap | Quts Hero | >= h6.0.0.3324, < h6.0.0.3397 |
References
- https://www.qnap.com/en/security-advisory/qsa-26-10Broken Link, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-66273?
How severe is CVE-2025-66273?
How do I fix CVE-2025-66273?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-66265CMService.exe creates the C:\\usr directory and subdirectori…6.9
- CVE-2025-66266The RupsMon.exe service executable in UPSilon 2000 has insec…9.3
- CVE-2025-66269The RupsMon and USBMate services in UPSilon 2000 run with SY…7.1
- CVE-2025-6627A vulnerability has been found in TOTOLINK A702R 4.0.0-B2023…8.8
- CVE-2025-66270The KDE Connect protocol 8 before 2025-11-28 does not correl…4.7
- CVE-2025-66271Clone for Windows provided by ELECOM CO.,LTD. registers a Wi…8.4
- CVE-2025-66274A NULL pointer dereference vulnerability has been reported t…4.9
- CVE-2025-66276QuTS hero is not affected. We have already fixed the vulner…9.8
- CVE-2025-66277A link following vulnerability has been reported to affect s…9.8
- CVE-2025-66278A path traversal vulnerability has been reported to affect F…6.5
- CVE-2025-66279A command injection vulnerability has been reported to affec…7.2
- CVE-2025-66280An integer overflow or wraparound vulnerability has been rep…7.2
Are you affected by CVE-2025-66273?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST