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HIGHCVE-2026-22925Published Modified CNA siemens

CVE-2026-22925: A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application is susceptible to resource exhaustion when subjected to high volume of TCP SYN packets This could allow an attacker to render the service unavailable and cause denial-of-service conditions by overwhelming system resources.

Metrics

CVSS v4.0
8.7
Severity
HIGH
Fixed in
V5.0
Affected Products
1

Fix available

V5.0
Affected packages
  • Siemens / SIMATIC CN 4100
    < V5.0 (from 0)
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVE-2026-22925: A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5 | HarborGuard CVE