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CVE-2025-40940

MEDIUM CVSS: 4.9 Published: 2025-12-09 Modified: 2026-06-17

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application exhibits inconsistent SNMP behavior, such as unexpected service availability and unreliable configuration handling across protocol versions. This could allow an attacker to access sensitive data, potentially leading to a breach of confidentiality.

Affected Platforms

Siemens Simatic Cn 4100 FirmwareSiemens Simatic Cn 4100

Weakness Type

CWE-200

References