Qsync Central Uncontrolled Resource Consumption Vulnerability Allowing Denial-of-Service

Vulnerability

A vulnerability in Qsync Central versions 5.0.x has been identified, allowing remote attackers with user account access to exploit uncontrolled resource consumption. This exploitation can lead to a denial-of-service condition, causing disruptions in service or application performance.

Impact

Exploitation of this vulnerability can cause a denial-of-service condition, disrupting normal application or system operations.

Remediation

Users are advised to update Qsync Central to version 5.0.0.4 or later. Instructions for updating Qsync Central are available on the QNAP website.

Added: Feb 11, 2026, 1:26 PM
Updated: Feb 11, 2026, 5:15 PM

Vulnerability Rating

Custom Algorithm
spread
6.2
impact
2.5
exploitability
6.6
remediation
7.7
relevance
2.9
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.