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CVE-2025-40938

No fix known EPSS <1%CVSS 8.1

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device stores sensitive information in the firmware. This could allow an attacker to access and misuse this information, potentially impacting the device’s confidentiality, integrity, and availability.

Published 2025-12-09 · CVE record · OSV

Products: Siemens SIMATIC CN 4100