CVE-2025-30261

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 5.0.0.0 ( 2025/06/13 ) and later

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-25-28	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qnap:qsync_central:5.0.0.0:*:*:*:*:*:*:*

History

19 Sep 2025, 17:18

Type	Values Removed	Values Added
CPE		cpe:2.3:a:qnap:qsync_central:5.0.0.0:::::::*
First Time		Qnap qsync Central Qnap
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
References	~~() https://www.qnap.com/en/security-advisory/qsa-25-28 -~~	() https://www.qnap.com/en/security-advisory/qsa-25-28 - Vendor Advisory

29 Aug 2025, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-29 18:15

Updated : 2025-09-19 17:18

NVD link : CVE-2025-30261

Mitre link : CVE-2025-30261

CVE.ORG link : CVE-2025-30261

JSON object : View

Products Affected

qnap

qsync_central

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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