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
Advisories

No advisories yet.

Fixes

Solution

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


Workaround

No workaround given by the vendor.

History

Mon, 05 Jan 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Qnap
Qnap qts
Qnap quts Hero
CPEs cpe:2.3:o:qnap:qts:5.2.0.2737:build_20240417:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.0.2744:build_20240424:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.0.2782:build_20240601:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.0.2802:build_20240620:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.0.2823:build_20240711:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.0.2851:build_20240808:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.0.2860:build_20240817:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.1.2930:build_20241025:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.2.2950:build_20241114:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.3.3006:build_20250108:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.4.3070:build_20250312:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.4.3079:build_20250321:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.4.3092:build_20250403:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.5.3145:build_20250526:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.6.3195:build_20250715:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.2.6.3229:build_20250818:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.0.2737:build_20240417:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.0.2782:build_20240601:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.0.2789:build_20240607:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.0.2802:build_20240620:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.0.2823:build_20240711:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.0.2851:build_20240808:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.0.2860:build_20240817:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.1.2929:build_20241025:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.1.2940:build_20241105:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.2.2952:build_20241116:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.3.3006:build_20250108:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.4.3070:build_20250312:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.4.3079:build_20250321:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.5.3138:build_20250519:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.2.6.3195:build_20250715:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.3.0.3115:build_20250430:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.3.0.3145:build_20250530:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.3.0.3192:build_20250716:*:*:*:*:*:*
Vendors & Products Qnap
Qnap qts
Qnap quts Hero
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}


Fri, 02 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 02 Jan 2026 15:00:00 +0000

Type Values Removed Values Added
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
Title QTS, QuTS hero
First Time appeared Qnap Systems Inc.
Qnap Systems Inc. qts
Qnap Systems Inc. quts Hero
Weaknesses CWE-476
CPEs cpe:2.3:a:qnap_systems_inc.:qts:*:*:*:*:*:*:*:*
cpe:2.3:a:qnap_systems_inc.:quts_hero:*:*:*:*:*:*:*:*
Vendors & Products Qnap Systems Inc.
Qnap Systems Inc. qts
Qnap Systems Inc. quts Hero
References
Metrics cvssV4_0

{'score': 1.2, 'vector': 'CVSS: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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: qnap

Published:

Updated: 2026-01-02T19:17:55.858Z

Reserved: 2025-06-30T07:19:56.928Z

Link: CVE-2025-53414

cve-icon Vulnrichment

Updated: 2026-01-02T19:17:47.202Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-02T15:16:01.253

Modified: 2026-01-05T20:20:59.573

Link: CVE-2025-53414

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses