VulnerabilityModified

CVE-2026-26239

A buffer overflow vulnerability has been reported to affect File Station 5.

MEDIUM 6.3EPSS 0.42%

Does this matter?

Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 4.0: 6.3 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.42% probability · 36th percentile
CISA KEV: Not listed
Weakness: CWE-121
Affected: qnap/file station
Source: security@qnapsecurity.com.tw

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.