CVE-2025-40939 -

CVE-2025-40939 -

CVE ID : CVE-2025-40939 Published : Dec. 9, 2025, 12:29 p.m. | 1 hour, 57 minutes ago 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. Severity: 4.6 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
MEDIUM
Published
Dec. 9, 2025
Attack Vector: physical
Impact: denial of service

Source: Telegram CVE Monitor