Skip to content
OpenAdvisories
Medium · 4.6 CVE-2025-40939 EUVD-2025-201917GHSA-35wm-hq5r-2p36

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device contains a USB port which allows unauth…

Published Dec 9, 2025 · Updated Dec 9, 2025 · Assigned by siemens

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.

Affected products

VendorProductAffectedFixed
Siemens SIMATIC CN 4100 < V4.0.1 V4.0.1

Advisories 3

References