VULNERABILITY INTELLIGENCE
CVE-2025-40938
CVSS score8.1 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2025-12-09
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device stores sensitive information in the firmware. This could allow an attacker to access and misuse this information, potentially impacting the device’s confidentiality, integrity, and availability.
Weakness classification
- productcert@siemens.com: CWE-798
Primary references
- productcert@siemens.com — Vendor Advisory