CVE-2026-50085

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.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-25)

CWE

CWE-306

Published

2026-06-12

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• aqara:board_service

References

• https://github.com/xn0tsa/theres-no-place-like-home
• https://www.runzero.com/advisories/aqara-board-iot-insecure-debug-api-cve-2026-50085
• https://github.com/xn0tsa/theres-no-place-like-home

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