CVE-2025-58466: QTS, QuTS hero

Published Feb 11, 2026
·
Updated

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 Software

39 affected components
QNAP QTS<5.2.8.3332
QNAP QuTS hero<h5.2.8.3321
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
QNAP QTS=5.2.4.3070-build_20250312
QNAP QTS=5.2.4.3079-build_20250321
QNAP QTS=5.2.4.3092-build_20250403
QNAP QTS=5.2.5.3145-build_20250526
QNAP QTS=5.2.6.3195-build_20250715
QNAP QTS=5.2.6.3229-build_20250818
QNAP QTS=5.2.7.3256-build_20250913
QNAP QTS=5.2.7.3297-build_20251024
QNAP QTS=5.2.8.3332-build_20251128
QNAP QuTS hero=h5.2.0.2737-build_20240417
QNAP QuTS hero=h5.2.0.2782-build_20240601
QNAP QuTS hero=h5.2.0.2789-build_20240607
QNAP QuTS hero=h5.2.0.2802-build_20240620
QNAP QuTS hero=h5.2.0.2823-build_20240711
QNAP QuTS hero=h5.2.0.2851-build_20240808
QNAP QuTS hero=h5.2.0.2860-build_20240817
QNAP QuTS hero=h5.2.1.2929-build_20241025
QNAP QuTS hero=h5.2.1.2940-build_20241105
QNAP QuTS hero=h5.2.2.2952-build_20241116
QNAP QuTS hero=h5.2.3.3006-build_20250108
QNAP QuTS hero=h5.2.4.3070-build_20250312
QNAP QuTS hero=h5.2.4.3079-build_20250321
QNAP QuTS hero=h5.2.5.3138-build_20250519
QNAP QuTS hero=h5.2.6.3195-build_20250715
QNAP QuTS hero=h5.2.7.3256-build_20250913
QNAP QuTS hero=h5.2.7.3297-build_20251024
QNAP QuTS hero=h5.2.8.3321-build_20251117

Remediation

Information

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

Event History

Feb 11, 2026
CVE Published
via MITRE·12:16 PM
Data Sourced
via MITRE·12:16 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-58466?

CVE-2025-58466 is classified as a medium severity vulnerability affecting specific QNAP operating systems.

2

How do I fix CVE-2025-58466?

To fix CVE-2025-58466, update your QNAP QTS or QuTS hero operating system to the latest patched version released by QNAP.

3

What are the potential impacts of CVE-2025-58466?

Exploitation of CVE-2025-58466 can lead to denial of service conditions and unexpected modifications in control flow by a remote attacker.

4

Which versions are affected by CVE-2025-58466?

CVE-2025-58466 affects several versions of QNAP QTS up to 5.2.8.3332 and QuTS hero up to h5.2.8.3321.

5

Who can exploit CVE-2025-58466?

Only remote attackers with administrator account access can exploit CVE-2025-58466.

Contact

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