Description
An exposure of sensitive system information to an unauthorized control sphere vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to read application data.
We have already fixed the vulnerability in the following versions:
QTS 5.2.8.3332 build 20251128 and later
QuTS hero h5.2.8.3321 build 20251117 and later
QuTS hero h5.3.1.3250 build 20250912 and later
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| QNAP Systems | QTS | 5.2.x – < 5.2.8.3332 build 20251128 | 5.2.8.3332 build 20251128 |
| QNAP Systems | QuTS hero | h5.2.x – < h5.2.8.3321 build 20251117, h5.3.x – < h5.3.1.3250 build 20250912 | h5.2.8.3321 build 20251117 |
Advisories 1
- WID-SEC-2026-0011 QNAP NAS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 4, 2026