CVE-2025-33039

published 2025-10-03

CVE-2025-33039: An allocation of resources without limits or throttling vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account…

Priority P3 37 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

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

Affected

2 ranges

Vendor	Product	Version range	Fixed in
qnap	qsync_central	>= 4.2.0.0 < 5.0.0.1	5.0.0.1
qnap_systems_inc	qsync_central	>= 4.x < 5.0.0.1 ( 2025/07/09 )	5.0.0.1 ( 2025/07/09 )

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd v4.0 7.1 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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