The security protection in Gigadevice GD32F103 devices allows physical attackers to redirect the control flow and execute arbitrary code via the debug interface.
Gigadevice GD32F103 and GD32F130 devices allow physical attackers to extract data via the probing of easily accessible bonding wires and de-obfuscation of the observed data.
The flash memory readout protection in Gigadevice GD32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the DMA module.