Aqara Board IoT insecure debug API

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Summary

CVECVE-2026-50085
StatePUBLISHED
AssignerrunZero
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-12 16:16:32 UTC
Updated2026-06-12 17:16:25 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 8.6 HIGH from 44488dab-36db-4358-99f9-bc116477f914

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

Problem Types: CWE-306 | CWE-306 CWE-306 Missing authentication for critical function

VersionSourceTypeScoreSeverityVector
3.144488dab-36db-4358-99f9-bc116477f914Secondary8.6HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
3.1CNACVSS8.6HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Aqara Board Service affected 2026-04-20 date Not specified

References

ReferenceSourceLinkTags
github.com/xn0tsa/theres-no-place-like-home 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
www.runzero.com/advisories/aqara-board-iot-insecure-debug-api-cve-2026-50085 44488dab-36db-4358-99f9-bc116477f914 www.runzero.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Sammy Azdoufal (en)

CNA: Tod Beardsley of runZero, Inc. (en)

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