CVE-2026-22316 MEDIUM

CVE-2026-22316: Buffer Overflow using TFTP Filename

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

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A remote attacker with user privileges for the webUI can use the setting of the TFTP Filename with a POST Request to trigger a stack-based Buffer Overflow, resulting in a DoS attack.

Key dates

02Disclosure timeline

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