Vulnerability Monitor

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CVE-2025-40938

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

2025-12-09T16:17:47.443

Last Modified

2025-12-10T21:36:44.933

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

Weaknesses
  • Type: Primary
    CWE-798
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens simatic_cn_4100_firmware < 4.0.1 Yes
Hardware siemens simatic_cn_4100 - No
References