CVE-2025-57709

HIGH

Qnap Qsync Central < 5.0.0.4 - Out-of-Bounds Write

Title source: rule
STIX 2.1

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

Scores

CVSS v3 8.1
EPSS 0.0005
EPSS Percentile 13.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-122 CWE-787
Status published
Products (1)
qnap/qsync_central 5.0.0.0 - 5.0.0.4
Published Feb 11, 2026
Tracked Since Feb 18, 2026