CVE-2025-33039
MEDIUMQsync Central 4.2.0.0-4.9.9.9 - Denial of Service via Resource Exhaustion
Title source: llmDescription
An allocation of resources without limits or throttling vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.1 ( 2025/07/09 ) and later
References (1)
Core 1
Core References
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-25-34
Scores
CVSS v3
6.5
EPSS
0.0016
EPSS Percentile
35.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (1)
qnap/qsync_central
4.2.0.0 - 5.0.0.1
Published
Oct 03, 2025
Tracked Since
Feb 18, 2026