{"id":"CVE-2025-41691","aliases":["EUVD-2025-23490","GHSA-wxg9-7gqq-wxgf"],"status":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00639,"percentile":0.50955,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2025-08-04T08:04:34Z","modified":"2026-06-17T09:22:58Z","products":[{"vendor":"codesys","product":"control for beaglebone sl"},{"vendor":"codesys","product":"control for empc-a/imx6 sl"},{"vendor":"codesys","product":"control for iot2000 sl"},{"vendor":"codesys","product":"control for linux arm sl"},{"vendor":"codesys","product":"control for linux sl"},{"vendor":"codesys","product":"control for pfc100 sl"},{"vendor":"codesys","product":"control for pfc200 sl"},{"vendor":"codesys","product":"control for plcnext sl"},{"vendor":"codesys","product":"control for raspberry pi sl"},{"vendor":"codesys","product":"control for wago touch panels 600 sl"},{"vendor":"codesys","product":"control rte (for beckhoff cx) sl"},{"vendor":"codesys","product":"control rte (sl)"},{"vendor":"codesys","product":"control win (sl)"},{"vendor":"codesys","product":"hmi (sl)"},{"vendor":"codesys","product":"virtual control sl"}],"references":[{"url":"https://certvde.com/de/advisories/VDE-2025-070"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41691"},{"url":"https://github.com/advisories/GHSA-wxg9-7gqq-wxgf"}],"sources":{"cve":[{"id":"CVE-2025-41691","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.","status":"published","published":"2025-08-04T08:04:34.981Z","modified":"2025-08-04T16:32:30.773Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-23490","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.","status":"published","published":"2025-08-04T08:04:34Z","modified":"2025-08-04T16:32:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:01.599514Z"}],"ghsa":[{"id":"GHSA-wxg9-7gqq-wxgf","title":"An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS...","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.","status":"published","published":"2025-08-04T09:30:28Z","modified":"2025-08-04T09:30:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:03:10.193177Z"}],"nvd":[{"id":"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.","status":"published","published":"2025-08-04T08:15:48.353Z","modified":"2026-06-17T09:22:58.03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:11:21.71471Z"}]}}