CVE-2026-41541

EUVD-2026-101978
An unix symbolic link (symlink) following vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.

We have already fixed the vulnerability in the following version:
Qsync Central 5.0.0.7 and later
Qsync Central 5.1.0.3 and later
Qsync Central 5.2.0.5 and later
Qsync Central 5.3.0.2 and later
Symlink
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
qnapCNA
5.3 MEDIUM
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 44.23%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
qnapqsync_central
5.0.0 ≤
𝑥
< 5.0.0.7
CNA
qnapqsync_central
5.1.0 ≤
𝑥
< 5.1.0.3
CNA
qnapqsync_central
5.2.0 ≤
𝑥
< 5.2.0.5
CNA
qnapqsync_central
5.3.0 ≤
𝑥
< 5.3.0.2
CNA