PT-2026-1081 · Qnap · Qnap

Coral · Published 2026-01-02 · Updated 2026-01-02 · CVE-2025-53590

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions QNAP versions prior to 5.2.7.3256 build 20250913

Description A flaw exists where a remote attacker, having obtained administrator privileges, could trigger a denial-of-service (DoS) condition through a NULL pointer dereference.

Recommendations Update to QTS 5.2.7.3256 build 20250913 or later.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-53590

Affected Products

Qnap

References · 5

• https://qnap.com/en/security-advisory/qsa-25-50 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-53590 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53590 · Security Note
• https://twitter.com/CVEnew/status/2007118432568008886 · Twitter Post
• https://t.me/CVEtracker/41244 · Telegram Post