{"id":"CVE-2026-43840","revision":"d4e407aec5ff4ea99792781155de3b70","records":[{"revision":"d4e407aec5ff4ea99792781155de3b70","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43840","aliases":[],"title":"A NULL pointer dereference vulnerability in the license manager service could allow an unauthenticated attacker to crash the service via the on_disconnected callback function.","description":"A NULL pointer dereference vulnerability in the license manager service could allow an unauthenticated attacker to crash the service via the on_disconnected callback function.","state":0,"publishedAt":"2026-10-20T08:28:32.33+00:00","modifiedAt":"2026-10-20T18:08:00.9+00:00","affected":[{"ecosystem":"Vendor product","name":"ADAM-3600","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Advantech\",\n                    \"product\": \"ADAM-3600\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"prior to version 2.8.5.0\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"}],"references":["https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149","https://www.advantech.com/en/security-advisory"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43840","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43840","identifiers":["CVE-2026-43840"]},"retained":false,"historicalAffected":[]}],"coverage":[]}