CVE-2025-30261

Qsync Central

Published Aug 29, 2025 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
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

Remediation

Vendor Solution

We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.0 ( 2025/06/13 ) and later

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-27778 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
History
Type Values Removed Values Added
First Time appeared Qnap
Qnap qsync Central
CPEs cpe:2.3:a:qnap:qsync_central:5.0.0.0:*:*:*:*:*:*:*
Vendors & Products Qnap
Qnap qsync Central
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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
Title Qsync Central
Weaknesses CWE-770
References
Metrics cvssV4_0

{'score': 7.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
qnap
Published
Updated
Aug 29, 2025, 6:23 PM
Reserved
Mar 20, 2025, 2:53 AM
Status
Analyzed
Published
Aug 29, 2025, 6:15 PM
Modified
Oct 18, 2026, 9:10 PM