CVE-2026-42409 F5 TMM进程拒绝服务漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-42409 (F5 BIG-IP TMM DoS) Note: The specific request payload is undisclosed. This script demonstrates sending an HTTP/2 request to a target F5 device. """ import httpx import sys def check_vulnerability(target_url): try: # Use an HTTP/2 client to send the request with httpx.Client(http2=True, verify=False) as client: headers = { "User-Agent": "CVE-2026-42409-Research", "Accept": "*/*" } # In a real scenario, specific path/methods trigger the crash. # This sends a standard request to check HTTP/2 support. response = client.get(target_url, headers=headers, timeout=10) if response.http_version == "HTTP/2": print(f"[+] Target {target_url} supports HTTP/2.") print("[!] If iRules with HTTP::redirect/respond are active, it may be vulnerable.") else: print(f"[-] Target {target_url} does not support HTTP/2.") except Exception as e: print(f"Error connecting to target: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <https://target-url>") sys.exit(1) check_vulnerability(sys.argv[1])