CVE-2026-22925 HIGH

CVE-2026-22925

Vendor Siemens
Product SIMATIC CN 4100
Weakness CWE-770 · Uncontrolled resource consumption
Published May 12, 2026
Last update May 12, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
May 12, 2026 Record updated