CVE-2025-58466

MEDIUM
2026-02-11 [email protected]
4.9
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 11, 2026 - 13:15 nvd
MEDIUM 4.9

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

Analysis

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. [CVSS 4.9 MEDIUM]

Technical Context

Affects Qts. 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

Affected Products

Vendor: Qnap. Product: Qts. Versions: up to 5.2.0.2737.

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +24
POC: 0

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CVE-2025-58466 vulnerability details – vuln.today

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