SC
Product
Simatic CN 4100 Firmware
by Siemens · last CVE May 12, 2026
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.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2025-39682
In wildKEV
9.8
3%
Sep 5
tls: fix handling of zero-length records on the rx_list
Affected: before 5.0
CVE-2026-31431
In wildKEV
7.8
98%
Apr 22
crypto: algif_aead - Revert to operating out-of-place
Affected: before 6.0
CVE-2024-32741
10.0
1%
May 14
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0)
Affected: before 3.0
CVE-2023-29131
10.0
0%
Jul 11
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5)
Affected: before 2.5
CVE-2023-29130
10.0
1%
Jul 11
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5)
Affected: before 2.5
CVE-2025-40938
9.8
0%
Dec 9
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1)
Affected: before 4.0.1
CVE-2024-32740
9.8
1%
May 14
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0)
Affected: before 3.0
CVE-2023-49621
9.8
1%
Jan 9
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7)
Affected: before 2.7
CVE-2026-22924
9.1
0%
May 12
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0)
Affected: before 5.0
CVE-2025-40937
8.8
1%
Dec 9
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1)
Affected: before 4.0.1
CVE-2023-49251
8.8
1%
Jan 9
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7)
Affected: before 2.7
CVE-2024-32742
7.6
0%
May 14
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0)
Affected: before 3.0
CVE-2026-22925
7.5
0%
May 12
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0)
Affected: before 5.0
CVE-2023-49252
7.5
1%
Jan 9
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7)
Affected: before 2.7
CVE-2025-38502
7.1
0%
Aug 16
bpf: Fix oob access in cgroup local storage
Affected: before 5.0
CVE-2026-2673
6.5
0%
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
0%
Jul 8
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0)
Affected: before 4.0
CVE-2025-40940
4.9
0%
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
0%
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
0%
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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