{"id":"CVE-2026-43840","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.","summary":"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.","severity":"medium","cvss":6.9,"cvssVector":"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","cvssSource":"cna","vendor":"Advantech","product":"ADAM-3600","affected":["ADAM-3600 prior to version 2.8.5.0"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T08:28:32.330Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43840","references":[{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149"},{"url":"https://www.advantech.com/en/security-advisory"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T12:05:07.356Z","slug":"CVE-2026-43840","body":"## Overview\n\nA NULL pointer dereference vulnerability in the license manager service could allow an unauthenticated attacker to crash the service via the on_disconnected callback function.\n\n## Affected\n\n- `ADAM-3600 prior to version 2.8.5.0`\n\n## Remediation\n\nAdvantech has released a security update to address these vulnerabilities. Users and administrators of affected product versions are advised to update to the latest version immediately.","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}