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CVE-2025-40938

9.2 critical SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.2 · siemensNVD modified 2026-10-23 22:10

Affected (CPE criteria) 1

  • cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*

References 1