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SIMATIC CN 4100 (< V5.0)

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medium advisory

CVE-2026-22925: Siemens SIMATIC CN 4100 Resource Exhaustion via TCP SYN Flood

Siemens SIMATIC CN 4100 versions before V5.0 are vulnerable to resource exhaustion due to processing a high volume of TCP SYN packets, leading to a denial-of-service condition.

SIMATIC CN 4100 dos resource-exhaustion cve-2026-22925
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