{"id":"CVE-2025-41691","state":"PUBLISHED","title":"CODESYS Control DoS via Unauthenticated NULL Pointer Dereference","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.","publishedAt":"2025-08-04T08:04:34.981Z","updatedAt":"2025-08-04T16:32:30.773Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CERTVDE"},"assigner":"CERTVDE","products":["CODESYS Control RTE (SL)","CODESYS Control RTE (for Beckhoff CX) SL","CODESYS Control Win (SL)","CODESYS HMI (SL)","CODESYS Control for BeagleBone SL","CODESYS Control for emPC-A/iMX6 SL","CODESYS Control for IOT2000 SL","CODESYS Control for Linux ARM SL","CODESYS Control for Linux SL","CODESYS Control for PFC100 SL","CODESYS Control for PFC200 SL","CODESYS Control for PLCnext 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