{"id":"CVE-2026-50085","aliases":["EUVD-2026-36475","GHSA-xrr5-fhq2-5w4h"],"status":"published","title":"Aqara Board IoT insecure debug API","description":"The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of \"CWE-306: Missing Authentication for Critical Function\" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00412,"percentile":0.35828,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-06-12T15:01:13Z","modified":"2026-10-26T11:10:00Z","products":[{"vendor":"aqara","product":"board service"},{"vendor":"aqara","product":"board_service"}],"references":[{"url":"https://github.com/xn0tsa/theres-no-place-like-home","tags":["technical-description","exploit","Exploit","Third Party Advisory","article"]},{"url":"https://www.runzero.com/advisories/aqara-board-iot-insecure-debug-api-cve-2026-50085","tags":["third-party-advisory","Exploit","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50085","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xrr5-fhq2-5w4h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50085.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-50085","title":"Aqara Board IoT insecure debug API","description":"The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of \"CWE-306: Missing Authentication for Critical Function\" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.","status":"published","published":"2026-06-12T15:01:13.523Z","modified":"2026-06-12T15:54:34.323Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:20:08.734143Z"}],"euvd":[{"id":"EUVD-2026-36475","description":"The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of \"CWE-306: Missing Authentication for Critical Function\" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.","status":"published","published":"2026-06-12T15:01:13Z","modified":"2026-06-12T15:54:34Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T18:20:43.222Z"}],"ghsa":[{"id":"GHSA-xrr5-fhq2-5w4h","title":"The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards...","description":"The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of \"CWE-306: Missing Authentication for Critical Function\" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.","status":"published","published":"2026-06-12T18:31:58Z","modified":"2026-06-12T18:32:06Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:08:45.184845Z"}],"nvd":[{"id":"CVE-2026-50085","description":"The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of \"CWE-306: Missing Authentication for Critical Function\" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.","status":"published","published":"2026-06-12T16:16:32.06Z","modified":"2026-10-26T11:10:00.157Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:23.846948Z"}],"osv":[{"id":"CVE-2026-50085","title":"Aqara Board IoT insecure debug API","description":"The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of \"CWE-306: Missing Authentication for Critical Function\" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.","status":"published","published":"2026-06-12T15:01:13.523Z","modified":"2026-10-26T10:45:16.419020457Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:45:07.060148Z"}]}}