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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: QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later

PUBLISHED Reserved 2025-10-24 | Published 2026-06-10 | Updated 2026-06-10 | Assigner qnap




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Problem types

CWE-476

Product status

Default status
unaffected

h5.2.0 (custom) before h5.2.9.3410 build 20260214
affected

h5.3.0 (custom) before h5.3.4.3500 build 20260520
affected

? (custom) before h6.0.0.3459 build 20260409
affected

Credits

coral finder

References

www.qnap.com/en/security-advisory/qsa-26-38

cve.org (CVE-2025-62850)

nvd.nist.gov (CVE-2025-62850)

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