CVE-2025-40939_CVE-2025-40939

4.6 / 10

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Basic Information

ID CVE-2025-40939

Source siemens

Published Dec 9, 2025 at 10:44

Affected Product

Vendor Siemens

Product SIMATIC CN 4100

Affected Versions Siemens SIMATIC CN 4100 0

CWE Classification

CWE-284

References

cert-portal.siemens.com /productcert/html/ssa-416652.html

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    "published": "2025-12-09T10:44:37.963Z",
    "modified": "2025-12-09T10:44:37.963Z",
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