CVE-2026-33356highCWE-639

CVE-2026-33356: fallo de gravedad alta en Meari IoT Cloud MQTT Broker EMQX

Meari MQTT broker missing per-device subscribe ACL

Publicada el

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Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 7.7epss 0.3%
In Meari IoT Cloud MQTT Broker deployments running EMQX 4.x, any authenticated low-privilege account can subscribe to global wildcard topics and receive telemetry from devices the user does not own. The broker enforces publish restrictions but does not enforce equivalent subscribe authorization at per-device scope.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Productos afectados
Meari · IoT Cloud MQTT Broker EMQX