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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: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later

PUBLISHED Reserved 2025-06-16 | Published 2026-01-02 | Updated 2026-01-02 | Assigner qnap




LOW: 1.2CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

Problem types

CWE-476

Product status

Default status
unaffected

5.2.x (custom) before 5.2.7.3256 build 20250913
affected

Default status
unaffected

h5.2.x (custom) before h5.2.7.3256 build 20250913
affected

h5.3.x (custom) before h5.3.1.3250 build 20250912
affected

Credits

coral finder

References

www.qnap.com/en/security-advisory/qsa-25-50

cve.org (CVE-2025-52426)

nvd.nist.gov (CVE-2025-52426)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.