CVE-2026-24439: Tenda W30E路由器缺少X-Content-Type-Options响应头

import requests # CVE-2026-24439 PoC - Check if X-Content-Type-Options header is missing # Target: Tenda W30E V2 Router target_ip = "192.168.0.1" # Default Tenda router IP target_url = f"http://{target_ip}/" def check_x_content_type_options(): """ Check if the target web interface is missing X-Content-Type-Options header """ print(f"[*] Testing CVE-2026-24439: Missing X-Content-Type-Options header") print(f"[*] Target: {target_url}") try: response = requests.get(target_url, timeout=10) print(f"\n[*] Response Headers:") for header, value in response.headers.items(): print(f" {header}: {value}") # Check for X-Content-Type-Options header if "X-Content-Type-Options" not in response.headers: print(f"\n[!] VULNERABLE: X-Content-Type-Options header is missing!") print(f"[!] Browser MIME sniffing may interpret responses as executable script") return True else: xcto_value = response.headers["X-Content-Type-Options"] if xcto_value.lower() != "nosniff": print(f"\n[!] VULNERABLE: X-Content-Type-Options is set to '{xcto_value}' instead of 'nosniff'") return True else: print(f"\n[+] NOT VULNERABLE: X-Content-Type-Options is properly set to 'nosniff'") return False except requests.exceptions.RequestException as e: print(f"[!] Error connecting to target: {e}") return None def exploit_scenario(): """ Demonstrate MIME sniffing attack scenario This PoC checks for the vulnerability; actual exploitation requires additional context """ print("\n[*] MIME Sniffing Attack Scenario:") print(" 1. Attacker uploads a file with embedded JS (e.g., fake image with JS payload)") print(" 2. File is served with Content-Type: image/gif") print(" 3. Browser MIME sniffing detects JS content and executes it") print(" 4. X-Content-Type-Options: nosniff would prevent this") if __name__ == "__main__": result = check_x_content_type_options() exploit_scenario()