CVE-2025-52872: QTS, QuTS hero

Published Jan 2, 2026
·
Updated

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes.

We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.0.3192 build 20250716 and later

Affected Software

36 affected components
QNAP QTS<5.2.7.3256
QNAP QuTS hero<5.2.7.3256, <5.3.0.3192
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=h5.3.0.3115-build_20250430
QNAP QuTS hero=h5.3.0.3145-build_20250530
QNAP QuTS hero=h5.3.0.3192-build_20250716
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

Remediation

Information

We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.0.3192 build 20250716 and later

Event History

Jan 2, 2026
CVE Published
via MITRE·02:54 PM
Data Sourced
via MITRE·02:54 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-52872?

CVE-2025-52872 is classified as a high severity buffer overflow vulnerability.

2

How do I fix CVE-2025-52872?

To remediate CVE-2025-52872, upgrade your QNAP QTS or QuTS hero to the latest patched version.

3

Which versions of QNAP operating systems are affected by CVE-2025-52872?

CVE-2025-52872 affects QNAP QTS versions up to 5.2.7.3256 and QuTS hero versions up to 5.2.7.3256 and 5.3.0.3192.

4

Who can exploit CVE-2025-52872?

A remote attacker with a user account can exploit CVE-2025-52872 to modify memory or crash processes.

5

What types of attacks can CVE-2025-52872 lead to?

CVE-2025-52872 can lead to unauthorized memory modifications and potential denial of service due to process crashes.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203