CVE-2025-47205: QTS, QuTS hero

Published Feb 11, 2026
·
Updated

A NULL pointer dereference 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 launch a denial-of-service (DoS) attack.

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

37 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 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

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·12:19 PM
Data Sourced
via MITRE·12:19 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-47205?

CVE-2025-47205 is classified as a high severity vulnerability due to its potential for remote exploitation leading to denial-of-service attacks.

2

How do I fix CVE-2025-47205?

To fix CVE-2025-47205, ensure your QNAP QTS or QuTS hero software is updated to the latest version available that addresses this vulnerability.

3

What versions are affected by CVE-2025-47205?

CVE-2025-47205 affects QNAP QTS versions up to 5.2.8.3332 and QuTS hero versions up to h5.2.8.3321.

4

Can CVE-2025-47205 be exploited remotely?

Yes, CVE-2025-47205 can be exploited remotely if an attacker gains access to an administrator account.

5

What type of attack can result from CVE-2025-47205?

CVE-2025-47205 can lead to a denial-of-service (DoS) attack against the affected QNAP operating system.

Contact

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