CVE-2025-30266: 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·12:20 PM
Data Sourced
via MITRE·12:20 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-30266?
CVE-2025-30266 has a medium severity rating due to its potential to cause denial-of-service attacks.
2
How do I fix CVE-2025-30266?
To fix CVE-2025-30266, upgrade to Qsync Central version 5.0.0.4 or later.
3
Who is affected by CVE-2025-30266?
CVE-2025-30266 primarily affects users with Qsync Central prior to version 5.0.0.4.
4
What kind of attack can be launched using CVE-2025-30266?
An attacker can exploit CVE-2025-30266 to perform a denial-of-service (DoS) attack.
5
Can CVE-2025-30266 be exploited remotely?
Yes, CVE-2025-30266 can be exploited remotely if the attacker gains a user account.