PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-50085 Aqara CVE debrief

The Aqara Board service (op-test.aqara.com) is vulnerable to unauthenticated MQTT command injection, classified as CWE-306: Missing Authentication for Critical Function. The CVSS score for this vulnerability is 8.6, indicating high severity. When combined with CVE-2026-50082, CVE-2026-50083, and CVE-2026-50084, this vulnerability can lead to a fully unauthenticated, remote takeover of affected devices.

Vendor
Aqara
Product
Board service
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-07-09
Advisory published
2026-06-12
Advisory updated
2026-07-09

Who should care

Users and administrators of the Aqara Board service, as well as IoT device users and administrators who may be affected by this vulnerability.

Technical summary

The Aqara Board service accepts arbitrary MQTT command payloads and forwards them to the platform's HiveMQ broker without authentication. This allows attackers to inject commands without authentication, potentially leading to remote takeover of affected devices.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates provided by the vendor to fix the vulnerability.
  • Implement authentication and authorization for MQTT command payloads.
  • Monitor and restrict access to the Aqara Board service.

Evidence notes

Evidence for this CVE includes references to the NVD and CVE.org records, as well as source references from GitHub and RunZero.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50085 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50085

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50085 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50085

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://github.com/xn0tsa/theres-no-place-like-home

    44488dab-36db-4358-99f9-bc116477f914

  • Source reference

    Unverified legacy reference

    URL: https://www.runzero.com/advisories/aqara-board-iot-insecure-debug-api-cve-2026-50085

    44488dab-36db-4358-99f9-bc116477f914

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.