medium4.6
CVE-2025-40939
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1).
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Simatic Cn 4100 Firmware | before 4.0.1 |