CVE-2026-22925

HIGH

Siemens Simatic CN 4100 < V5.0 - Allocation of Resources Without Limits or Throttling

Title source: rule
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0005
EPSS Percentile 16.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (1)
Siemens/SIMATIC CN 4100 < V5.0
Published May 12, 2026
Tracked Since May 12, 2026