CVE-2025-40937

High · 8.8

CVSS

8.8

EPSS

0.6%

Published

Dec 9, 2025

CISA due date

—

The record

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.

Affected packages

Ecosystem	Package	Introduced	Fixed