CVE-2026-26239

EUVD-2026-35979
A buffer overflow vulnerability has been reported to affect File Station 5. 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:
File Station 5 5.5.6.5208 and later
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
Affected Products (NVD)
VendorProductVersion
qnapfile_station
5.5.6.4691 ≤
𝑥
< 5.5.6.5208
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.qnap.com/en/security-advisory/qsa-26-10