CVE-2025-40940

CWE-200 — Information Exposure4 documents4 sources
Severity
6.9MEDIUM
EPSS
0.1%
top 82.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Siemens Simatic CN 4100Siemens Simatic CN 4100 Firmware
Timeline
PublishedDec 9

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.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Affected Packages2 packages

▶CVEListV5siemens/simatic_cn_4100< V4.0.1

🔴Vulnerability Details

2
CVEList
CVE-2025-40940: A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4↗2025-12-09
▶
GHSA
GHSA-2cx9-pwfc-xwx3: A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4↗2025-12-09
▶