CVE-2025-47209: Qsync Central
Published Feb 11, 2026
·Updated
A NULL pointer dereference vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user 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: 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·12:19 PM
Data Sourced
via MITRE·12:19 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 7, 58085
Event
via NVD·02:54 AM
Frequently Asked Questions
1
What is the severity of CVE-2025-47209?
CVE-2025-47209 is classified as a critical vulnerability that can lead to a denial-of-service (DoS) attack.
2
How do I fix CVE-2025-47209?
To fix CVE-2025-47209, upgrade to Qsync Central version 5.0.0.4 or later.
3
Can CVE-2025-47209 be exploited remotely?
Yes, CVE-2025-47209 can be exploited remotely if an attacker has a user account.
4
What types of attacks can be launched using CVE-2025-47209?
CVE-2025-47209 can be used to launch denial-of-service (DoS) attacks.
5
Which versions of Qsync Central are affected by CVE-2025-47209?
Qsync Central versions prior to 5.0.0.4 are affected by CVE-2025-47209.