CVE-2025-40937

HIGH

SIMATIC CN 4100 < 4.0.1 - Authenticated Command Injection via REST API

Title source: llm

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments. This could allow an authenticated attacker to execute arbitrary code with limited privileges.

References (1)

Core 1

Core References

Vendor Advisory

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

Scores

CVSS v3 8.3

EPSS 0.0009

EPSS Percentile 24.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-77

Status published

Products (1)

siemens/simatic_cn_4100_firmware < 4.0.1

Published Dec 09, 2025

Tracked Since Feb 18, 2026