Description
An allocation of resources without limits or throttling 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 prevent other systems, applications, or processes from accessing the same type of resource.
We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later
Metrics
CVSS 3.1 4.9/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | QTS | >= 5.2.x, < 5.2.7.3256 build 20250913 |
| QNAP Systems Inc. | QuTS hero | >= h5.2.x, < h5.2.7.3256 build 20250913; >= h5.3.x, < h5.3.1.3250 build 20250912 |
References
- https://www.qnap.com/en/security-advisory/qsa-25-50Vendor Advisory
Timeline
- Published
- Jan 2, 2026
- Last modified
- Oct 14, 2026
- NVD status
- Analyzed