CVE-2025-58466

MEDIUM

QNAP OS - Use After Free

Title source: llm
STIX 2.1

Description

A use of uninitialized variable 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 denial of service conditions, or modify control flow in unexpected ways. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3332 build 20251128 and later QuTS hero h5.2.8.3321 build 20251117 and later

Scores

CVSS v3 4.9
EPSS 0.0015
EPSS Percentile 34.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-457
Status published
Products (37)
qnap/qts 5.2.0.2737 build_20240417
qnap/qts 5.2.0.2744 build_20240424
qnap/qts 5.2.0.2782 build_20240601
qnap/qts 5.2.0.2802 build_20240620
qnap/qts 5.2.0.2823 build_20240711
qnap/qts 5.2.0.2851 build_20240808
qnap/qts 5.2.0.2860 build_20240817
qnap/qts 5.2.1.2930 build_20241025
qnap/qts 5.2.2.2950 build_20241114
qnap/qts 5.2.3.3006 build_20250108
... and 27 more
Published Feb 11, 2026
Tracked Since Feb 18, 2026