CVE-2025-30276

An out-of-bounds write vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify or corrupt memory. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-26-02	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

11 Feb 2026, 21:13

Type	Values Removed	Values Added
References	~~() https://www.qnap.com/en/security-advisory/qsa-26-02 -~~	() https://www.qnap.com/en/security-advisory/qsa-26-02 - Vendor Advisory
First Time		Qnap qsync Central Qnap
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
CPE		cpe:2.3:a:qnap:qsync_central::::::::

11 Feb 2026, 13:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-11 13:15

Updated : 2026-02-11 21:13

NVD link : CVE-2025-30276

Mitre link : CVE-2025-30276

CVE.ORG link : CVE-2025-30276

JSON object : View

Products Affected

qnap

qsync_central

CWE

CWE-787

Out-of-bounds Write

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