CVE-2024-32742: Siemens SIMATIC Cn 4100 Firmware

High severity, CVSS 7.6. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains an unrestricted USB port. An attacker with local access to the device could potentially misuse the port for booting another operating system and gain complete read/write access to the filesystem.

Affected products

• Siemens SIMATIC Cn 4100 Firmware: before 3.0 (fixed in 3.0)

Published 2024-05-14. Last modified 2026-06-17.