Vulnerabilities

CVSS

7.5 High

Vector

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

Risk score

60.0

Published

2026-05-12

Status

Awaiting Analysis

The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests. This could allow an attacker to cause denial of service condition. A manual restart is required to recover the system.

Weaknesses

CWE-476

Coverage 1

vulnerability

Siemens Industrial Devices

This article details a vulnerability (CVE-2025-40833) affecting multiple Siemens industrial devices, including IE/PB LINK HA, SCALANCE M series routers, and RuggedCom RM1224 LTE devices. The vulnerability allows an attac…

CISA Advisories · May 14, 2026 High

CVE-2025-40833industrial controldenial of servicefirmware update

All articles mentioning it

Advisories and references

• cert-portal.siemens.com/productcert/html/ssa-392349.html