{"id":"CVE-2025-40833","aliases":["EUVD-2025-209778","GHSA-9483-pcvr-wj53"],"status":"published","title":"The affected devices contain a null pointer dereference vulnerability while processing specially...","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.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00324,"percentile":0.25759,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-05-12T08:20:46Z","modified":"2026-11-10T11:30:32Z","products":[{"vendor":"siemens","product":"ie/pb link ha (6gk1411-5bb00)"},{"vendor":"siemens","product":"ie/pb link pn io (6gk1411-5ab10)"},{"vendor":"siemens","product":"ruggedcom rm1224 lte(4g) eu (6gk6108-4am00-2ba2)"},{"vendor":"siemens","product":"ruggedcom rm1224 lte(4g) nam (6gk6108-4am00-2da2)"},{"vendor":"siemens","product":"scalance m804pb (6gk5804-0ap00-2aa2)"},{"vendor":"siemens","product":"scalance m812-1 adsl-router (6gk5812-1aa00-2aa2)"},{"vendor":"siemens","product":"scalance m812-1 adsl-router 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