CVE-2026-26240

Severity CVSS v4.0:

MEDIUM

Type:

CWE-121 Stack-based Buffer Overflow

Publication date:

10/06/2026

Last modified:

10/06/2026

Description

A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes.<br /> <br /> We have already fixed the vulnerability in the following version:<br /> File Station 5 5.5.6.5243 and later

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): Passsive
Confidentiality (VC): None
Integrity (VI): Low
Availability (VA): Low
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

5.30

Severity 4.0

MEDIUM

References to Advisories, Solutions, and Tools

https://www.qnap.com/en/security-advisory/qsa-26-32