Security vulnerabilities and automated fixes for mqtt issues
1 post found
A medium-severity vulnerability was discovered and patched in the PicoW ClockMaster firmware's MQTT client, where file import functionality lacked resource limits and the broker connection lacked authentication—allowing attackers on the same network to inject spoofed motor and LED commands. The fix introduces proper input validation, file size checks, JSON depth limits, and authenticated/encrypted MQTT connections. This case is a timely reminder that IoT firmware security requires the same rigor