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Qsync Central Path Traversal Vulnerability Allowing Unauthorized File Access

Vulnerability

A path traversal vulnerability exists in Qsync Central versions 5.0.x. If a remote attacker gains access to a user account, they can exploit this vulnerability to read unintended files or system data.

Impact

Exploitation of this vulnerability could lead to unauthorized access to sensitive files or system data.

Remediation

Users are advised to update Qsync Central to version 5.0.0.3 or later. Instructions for updating Qsync Central are available on the QNAP website.

Added: Nov 7, 2025, 4:26 PM
Updated: Nov 7, 2025, 4:26 PM

Vulnerability Rating

Custom Algorithm
spread
6.2
impact
2.5
exploitability
5.2
remediation
7.7
relevance
1.0
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.