Qsync Central Uncontrolled Resource Consumption Vulnerability Leading to Denial-of-Service

Vulnerability

A denial-of-service vulnerability has been identified in Qsync Central versions 4.5.x. This uncontrolled resource consumption issue allows remote attackers with user account access to disrupt service by exhausting system resources.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing the application to become unresponsive or unavailable.

Remediation

Users are advised to update Qsync Central to version 4.5.0.7 or later. Instructions for updating Qsync Central are available on the QNAP website.

Added: Aug 29, 2025, 6:40 PM
Updated: Aug 29, 2025, 6:40 PM

Vulnerability Rating

Custom Algorithm
spread
6.2
impact
2.5
exploitability
5.2
remediation
7.7
relevance
0.4
threat
0.0
urgency
2.9
incentive
1.7

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