CVE-2025-52870: Qsync Central

Published Feb 11, 2026
·
Updated

A buffer overflow vulnerability has been reported to affect Qsync Central. 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 version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

Affected Software

2 affected components
Qsync Qsync Central<5.0.0.4
QNAP Qsync Central>=5.0.0.0<5.0.0.4

Remediation

Information

We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

Event History

Feb 11, 2026
CVE Published
via MITRE·12:18 PM
Data Sourced
via MITRE·12:18 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-52870?

CVE-2025-52870 is classified as a high-severity buffer overflow vulnerability.

2

How do I fix CVE-2025-52870?

To fix CVE-2025-52870, upgrade to Qsync Central version 5.0.0.4 or later.

3

What is Qsync Central in relation to CVE-2025-52870?

Qsync Central is the affected software that contains the buffer overflow vulnerability identified as CVE-2025-52870.

4

Can a remote attacker exploit CVE-2025-52870?

Yes, a remote attacker with a user account can exploit CVE-2025-52870 to modify memory or crash processes.

5

Which versions of Qsync Central are vulnerable to CVE-2025-52870?

Qsync Central versions prior to 5.0.0.4 are vulnerable to CVE-2025-52870.

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