Description
A NULL pointer dereference 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 launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following versions:
QTS 5.2.6.3195 build 20250715 and later
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 |
Advisories 1
- WID-SEC-2025-2199 QNAP NAS QTS und QTS hero: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 5, 2025