Description
An out-of-bounds read 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. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
References (1)
Core 1
Core References
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-26-02
Scores
CVSS v3
6.5
EPSS
0.0002
EPSS Percentile
6.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
qnap/qsync_central
5.0.0.0 - 5.0.0.4
Published
Feb 11, 2026
Tracked Since
Feb 18, 2026