CVE-2025-40939

Publication date

2025-12-09 10:44:37

Family

siemens

State

PUBLISHED

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device contains a USB port which allows unauthenticated connections. This could allow an attacker with physical access to the device to trigger reboot that could cause denial of service condition.