CVE-2025-41697 MEDIUM

CVE-2025-41697: Shell access to UART Console

Vendor Phoenix Contact
Product FL SWITCH 2005
Weakness CWE-1299
Published December 9, 2025
Last update December 9, 2025

CVSS base score

6.8/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An attacker can use an undocumented UART port on the PCB as a side-channel to get root access e.g. with the credentials obtained from CVE-2025-41692.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
December 9, 2025 Record updated