CVE-2026-50085 — HIGH (8.6)

Vulnerability 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.

CVSS Score

8.6

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Aqara	Board Service	2026-04-20

Related Weaknesses (CWE)

CWE-306

References

https://github.com/xn0tsa/theres-no-place-like-homeExploitThird Party Advisory
https://www.runzero.com/advisories/aqara-board-iot-insecure-debug-api-cve-2026-5ExploitThird Party Advisory
https://github.com/xn0tsa/theres-no-place-like-homeExploitThird Party Advisory

FAQ

What is CVE-2026-50085?

CVE-2026-50085 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 A...

How severe is CVE-2026-50085?

CVE-2026-50085 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-50085?

Check the references section above for vendor advisories and patch information. Affected products include: Aqara Board Service.