Unrated severityNVD Advisory· Published Dec 9, 2025· Updated Dec 9, 2025
CVE-2025-40939
CVE-2025-40939
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
2- Range: < V4.0.1
- Siemens/SIMATIC CN 4100v5Range: 0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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