CVE-2025-54163: File Station 5

Published Feb 11, 2026
·
Updated

A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: File Station 5 5.5.6.5166 and later

Affected Software

2 affected components
Synology File Station 5<5.5.6.5166
QNAP File Station>=5.5.6.4691<5.5.6.5190

Remediation

Information

We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5166 and later

Event History

Feb 11, 2026
CVE Published
via MITRE·12:17 PM
Data Sourced
via MITRE·12:17 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-54163?

CVE-2025-54163 is classified as a high severity vulnerability due to its potential for remote denial-of-service attacks.

2

How do I fix CVE-2025-54163?

To mitigate CVE-2025-54163, update Synology File Station 5 to version 5.5.6.5167 or later, or QNAP File Station to versions above 5.5.6.5190.

3

What type of vulnerability is CVE-2025-54163?

CVE-2025-54163 is a NULL pointer dereference vulnerability affecting File Station 5.

4

Who is affected by CVE-2025-54163?

CVE-2025-54163 affects users of Synology File Station 5 and QNAP File Station versions within the specified ranges.

5

What can an attacker do with CVE-2025-54163?

An attacker with administrator access can exploit CVE-2025-54163 to launch a denial-of-service attack.

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