CVE-2025-30269

Qsync Central

Published Feb 11, 2026 CVSS 4.0 · 0.6 Low EPSS < 1% KEV · Not listed
Description
A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory.

We have already fixed the vulnerability in the following version:
Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

Remediation

Vendor Solution

We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Qnap Systems
Qnap Systems qsync Central
Vendors & Products Qnap Systems
Qnap Systems qsync Central
Type Values Removed Values Added
First Time appeared Qnap
Qnap qsync Central
CPEs cpe:2.3:a:qnap:qsync_central:*:*:*:*:*:*:*:*
Vendors & Products Qnap
Qnap qsync Central
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

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 A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
Title Qsync Central
Weaknesses CWE-134
References
Metrics cvssV4_0

{'score': 0.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
qnap
Published
Updated
Feb 11, 2026, 2:27 PM
Reserved
Mar 20, 2025, 2:53 AM
Status
Analyzed
Published
Feb 11, 2026, 1:15 PM
Modified
Jun 17, 2026, 9:08 AM