CVE-2026-26239

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

Score

CVSS 3.1 8.1 High

Status

Modified - security@qnapsecurity.com.tw

Published

2026-06-10

Last modified

2026-06-17

Weaknesses

CWE-121

Affected products

• File Station (Qnap)
• File Station 5 (Qnap Systems Inc.)

References

• https://www.qnap.com/en/security-advisory/qsa-26-10