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Fixes CVE-2019-9506: The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length ...

Robust, production-ready Over-The-Air (OTA) firmware update system for the Heltec Wireless Tracker V2 (ESP32-S3). Built on ESP-IDF v5.3.1, it integrates with ThingsBoard via MQTT to receive OTA ...