CVE-2025-66281

Summary

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

Affected Software

VendorProductVersion RangeStatus
QNAP Systems Inc.QTS5.2.0 < 5.2.9.3410 build 20260214affected
QNAP Systems Inc.QuTS heroh5.2.0 < h5.2.9.3410 build 20260214affected
QNAP Systems Inc.QuTS heroh5.3.0 < h5.3.4.3500 build 20260520affected
QNAP Systems Inc.QuTS hero? < h6.0.0.3397 build 20260206affected

Weaknesses

  • CWE-476: CWE-476

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References