{"schema":"threatline.record/2","record":{"id":"CVE-2026-89409","aliases":[],"summary":"Unvalidated ZWAVE_CMD_NODES_EXIST May Cause Deletion of End Nodes​","details":"In Z-Wave SDK 8.1.1 and earlier (for 700/800 series devices) and 6.85.02 and earlier (for 500 series devices), missing checks in the ZWAVE_CMD_NODES_EXIST handler can result in nodes being removed from the network. These messages must come from a device that has already joined the network.","categories":["Unclassified"],"product":"Z-Wave SDK","vendor":"Silicon Labs","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89409","source_modified_at":"2026-10-22T19:00:32.048Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Z-Wave SDK","vendor":"Silicon Labs","versions":[{"status":"affected","version":"7.0.0","lessThanOrEqual":"8.1.1","versionType":"semver"},{"status":"affected","version":"0","lessThanOrEqual":"6.85.02","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00269,"percentile":0.18129,"score_date":"2026-10-23"},"published_at":"2026-10-22T13:50:04.309Z","modified_at":"2026-10-22T19:00:32.048Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-89409","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T19:00:32.048Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-89409","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000591.md","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-22T18:26:12.932750Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-22T19:00:32.048Z","content_hash":"55632b9a657ef8967d855d2398203ee8ba9fad2a41ecdd1e64d1026662255796"}}