Arduino A5 Checkm8 Here

// USB request codes for DFU mode #define USB_REQ_GET_DESCRIPTOR 0x06 #define USB_DT_DEVICE 0x01 #define USB_DT_CONFIG 0x02 #define USB_DT_STRING 0x03

if (usb.Init() == -1) Serial.println("USB Host init failed"); while(1); arduino a5 checkm8

delay(100);

// Step 1: Leak kernel pointer via oversized config descriptor request uint8_t buffer[CHECKM8_LEAK_SIZE]; USBSetup setup; // USB request codes for DFU mode #define

void setup() Serial.begin(115200); Serial.println("checkm8 for A5 - Educational Demo"); Serial.println("Waiting for device in DFU mode..."); void setup() Serial.begin(115200)

if (attempt_checkm8()) Serial.println("Exploit triggered - device should enter pwned DFU"); else Serial.println("Exploit failed - check USB timing");