Resource exhaustion in Siemens Simatic Cn 4100
CVE-2026-22925
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 servi…
EPSS: 0.001 (16.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Siemens Simatic Cn 4100 — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-22925?
- CVE-2026-22925 is a high-severity vulnerability in Siemens Simatic Cn 4100, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-12.
- How severe is CVE-2026-22925?
- High severity. CVSS v3 base score is 7.5 out of 10.