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 a user 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 5.2.6.3195 build 20250715 and later
QuTS hero h5.2.6.3195 build 20250715 and later
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| QNAP Systems | QTS | 5.2.x – < 5.2.6.3195 build 20250715 | 5.2.6.3195 build 20250715 |
| QNAP Systems | QuTS hero | h5.2.x – < h5.2.6.3195 build 20250715 | h5.2.6.3195 build 20250715 |
Advisories 1
- WID-SEC-2026-0011 QNAP NAS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 4, 2026