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 version: QTS 5.2.7.3256 build 20250913 and later
History

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 version: QTS 5.2.7.3256 build 20250913 and later
Title QTS
Weaknesses CWE-476
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: qnap

Published:

Updated: 2026-01-02T14:55:37.460Z

Reserved: 2025-07-04T01:08:32.756Z

Link: CVE-2025-53590

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-02T15:16:01.523

Modified: 2026-01-02T15:16:01.523

Link: CVE-2025-53590

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.