High severity7.5NVD Advisory· Published Aug 4, 2025· Updated Apr 15, 2026
CVE-2025-41691
CVE-2025-41691
Description
An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
1- ABB AC500 V3 Multiple VulnerabilitiesCISA Alerts