CVE-2026-22318 MEDIUM

CVE-2026-22318: Stack-Based Buffer Overflow in File Transfer Parameter Handling

Vendor Phoenix Contact
Product FL SWITCH 2005
Weakness CWE-121
Published March 18, 2026
Last update March 18, 2026

CVSS base score

4.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A stack-based buffer overflow vulnerability in the device's file transfer parameter workflow allows a high-privileged attacker to send oversized POST parameters, causing memory corruption in an internal process, resulting in a DoS attack.

Key dates

02Disclosure timeline

March 18, 2026 CVE published
March 18, 2026 Record updated