High severity7.5NVD Advisory· Published May 12, 2026· Updated May 12, 2026
CVE-2025-40833
CVE-2025-40833
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Patches
Vulnerability mechanics
References
1News mentions
1- Siemens Industrial DevicesCISA ICS Advisories