PT-2026-7563 · Qnap · Qnap Qts+1

Coral · Published 2026-02-11 · Updated 2026-02-12 · CVE-2025-58466

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 QTS versions prior to 5.2.8.3332 build 20251128 QNAP QuTS hero versions prior to h5.2.8.3321 build 20251117

Description A use of uninitialized variable issue exists in QNAP operating systems. A remote attacker gaining administrator access could potentially cause a denial of service or unexpected control flow modification.

Recommendations Update QTS to version 5.2.8.3332 build 20251128 or later. Update QuTS hero to version h5.2.8.3321 build 20251117 or later.

Fix

DoS

Weakness Enumeration

CWE-457

Related Identifiers

CVE-2025-58466

Affected Products

Qnap Qts

Qnap Quts Hero

References · 4

• https://qnap.com/en/security-advisory/qsa-26-05 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-58466 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-58466 · Security Note
• https://t.me/cveNotify/151850 · Telegram Post