CVE-2025-57709 - Vulnerability Details - OpenCVE

A buffer overflow vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Qnap Systems	Qsync Central

No data.

No data.

References

Link	Providers
https://www.spirityenterprise.com/pentest
https://www.qnap.com/en/security-advisory/qsa-26-02

History

Wed, 11 Feb 2026 22:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Qnap Systems Qnap Systems qsync Central
Vendors & Products		Qnap Systems Qnap Systems qsync Central

Wed, 11 Feb 2026 12:45:00 +0000

Type	Values Removed	Values Added
Description		A buffer overflow vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. 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-122 CWE-787
References		https://www.qnap.com/en/security-advisory/qsa-26-02
Metrics		cvssV4_0 `{'score': 1.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U'}`

MITRE

Status: PUBLISHED

Assigner: qnap

Published: 2026-02-11T12:17:22.554Z

Updated: 2026-02-11T15:43:51.003Z

Reserved: 2025-08-18T08:29:27.068Z

Link: CVE-2025-57709

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-02-11T13:15:55.897

Modified: 2026-02-11T15:27:26.370

Link: CVE-2025-57709

Redhat

No data.

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