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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
2026-06-12
Advisory published
2026-06-12
Advisory updated
2026-06-12

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.

Official resources

CVE-2026-50085 was published on 2026-06-12T16:16:32.060Z and modified on 2026-06-12T17:16:25.317Z.