SC
Product
Simatic CN 4100 Firmware
On CISA KEVExploited in the wild
20
CVEs
2
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 8High 7Medium 5Low 0
Watch
Add Simatic CN 4100 Firmware to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-2673 | 6.5 | Mar 13 | Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using… Affected: before 5.0 |
| CVE-2025-40593 | 6.5 | Jul 8 | A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0) Affected: before 4.0 |
| CVE-2025-40940 | 4.9 | Dec 9 | A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1) Affected: before 4.0.1 |
| CVE-2025-40939 | 4.6 | Dec 9 | A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1) Affected: before 4.0.1 |
| CVE-2025-40941 | 4.3 | Dec 9 | A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1) Affected: before 4.0.1 |
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