CVE-2025-66281EPSS p25.1%
CVE-2025-66281CVE-2025-66281
qnap / qts
Description
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following versions:
QTS 5.2.9.3410 build 20260214 and later
QuTS hero h5.2.9.3410 build 20260214 and later
QuTS hero h5.3.4.3500 build 20260520 and later
QuTS hero h6.0.0.3397 build 20260206 and later
Scoring
| CVSS | 7.2 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.33% probability of exploitation · percentile 25.1% · 2026-06-19T12:03:05Z |
| Last modified | 2026-06-15 |
Related by meaning· 6
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