CVE-2025-58466

MediumCVSS 4.9/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-457

Affected software

VendorProductVersions
QNAP Systems Inc.QTS>= 5.2.x, < 5.2.8.3332 build 20251128
QNAP Systems Inc.QuTS hero>= h5.2.x, < h5.2.8.3321 build 20251117

References

Timeline

Published
Feb 11, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-58466: Medium severity, CVSS 4.9 | Vulnix