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Description

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.

PUBLISHED Reserved 2026-01-13 | Published 2026-05-12 | Updated 2026-05-12 | Assigner siemens




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

Default status
unknown

Any version before V5.0
affected

References

cert-portal.siemens.com/productcert/html/ssa-032379.html

cve.org (CVE-2026-22925)

nvd.nist.gov (CVE-2026-22925)

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