Extracting and Modifying Firmware with JTAG

Matt Brown

In this video, we discuss how to extract firmware from a RP2040 microcontroller on the Defcon 30 badge using JTAG. A JLink debugger is used. We also push a modified version of the firmware back to the device. IoT Hackers Hangout Community Discord Invite:   / discord   🛠️ Stuff I Use 🛠️ 🪛 Tool