CVE-2025-40941

MEDIUM

SIMATIC CN 4100 < 4.0.1 - Information Exposure via Server Response Headers

Title source: llm
STIX 2.1

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected devices exposes server information in its responses. This could allow an attacker with network access to gain useful information, increasing the likelihood of targeted attacks.

References (1)

Core 1

Scores

CVSS v3 4.3
EPSS 0.0004
EPSS Percentile 11.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-200
Status published
Products (1)
siemens/simatic_cn_4100_firmware < 4.0.1
Published Dec 09, 2025
Tracked Since Feb 18, 2026