CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.7. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2026-33356
Severity
HIGH
CVSS
7.7
EPSS
0.27%
Original NVD Description
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.