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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC CN 4100 | < V4.0.1 | V4.0.1 |
Advisories 3
- NCSC-2025-0382 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Dec 9, 2025
- ICSA-26-015-12 Siemens SIMATIC CN 4100 CISA ICS & IT advisories · Dec 9, 2025
- SSA-416652 SSA-416652: Multiple Vulnerabilities in SIMATIC CN 4100 Before V4.0.1 Siemens ProductCERT · Dec 9, 2025