P5Verified

CVE-2025-40941: simatic cn 4100 firmware before 4.0.1 (exclusive); +1 more affected products

CVE-2025-40941. CVSS 3.1 base score 4.3 (MEDIUM, NVD). EPSS 0.00282 (percentile 0.18852), scored 2026-10-06.

Affected technology

simatic cn 4100 firmware · before 4.0.1 (exclusive)
siemens

SIMATIC CN 4100 · 0 to before V4.0.1
Siemens

Description’s affected range: versions < V4.0.1)

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An attacker with network access could gain useful information, increasing the likelihood of targeted attacks. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 2026-10-07 23:06:00.455575+00:00

CWE: CWE-200
CCR priority: 17.3 /100 (P5)
CVSS 3.1: 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N · NVD
EPSS: 0.00282 · percentile 0.18852 · 2026-10-06
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 23:02:50.240617+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-40941.html