CVE-2025-66276
CRITICALCVSS 9.8/10EPSS 0.29%
Last modified
CVE-2025-66276 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 build 20250913 and later. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 build 20250913 and later
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qnap | Qts | >= 4.3.0, < 5.2.7.3256 |
References
- https://www.qnap.com/en/security-advisory/qsa-25-56Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-66276?
QuTS hero is not affected.
We have already fixed the vulnerability in the following version:
QTS 5.2.7.3256 build 20250913 and later
How severe is CVE-2025-66276?
CVE-2025-66276 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2025-66276?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2025-66269The 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-2025-66273A command injection vulnerability has been reported to affec…7.2
- CVE-2025-66274A NULL pointer dereference vulnerability has been reported t…4.9
- 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
- CVE-2025-66281A NULL pointer dereference vulnerability has been reported t…7.2
- CVE-2025-66284Stored cross-site scripting vulnerabilities exist in GroupSe…5.4
Are you affected by CVE-2025-66276?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST