PT-2026-7573 · Qnap · Quts Hero

Coral · Published 2026-02-11 · Updated 2026-02-12 · CVE-2025-66274

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 QuTS hero h5.3.2.3354 build 20251225

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

Recommendations Update to QuTS hero h5.3.2.3354 build 20251225 or later.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-66274

Affected Products

Quts Hero

References · 4

• https://qnap.com/en/security-advisory/qsa-26-08 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-66274 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66274 · Security Note
• https://t.me/cveNotify/151852 · Telegram Post