PLANEX CS-W50HD Hardcoded Credential

`Reserved CVE: CVE-2017-12574  
  
# Description  
A hidden and undocumented account exists that allows attackers to gain unauthorized access and control the device completely; the account can't be modified or deleted.  
  
# Vulnerability Type  
Default user/password  
  
# Affected Product Code Base  
Firmware ver 030608  
  
# Affected Component  
Web management UI  
  
# Attack Type  
Remote  
  
# Attack Vectors  
Use hardcode hidden and undocumented account to access  
  
# Discoverer  
Kenney Lu (Trend Micro)  
  
# Vulnerability Detail  
A hardcoded credential asupervisor:dangerousa was injected into web authentication database a/.htpasswd" during booting process, users canat change or modify, and the privilege will be administrator.  
  
# Status  
Fixed in firmware ver 030720  
  
  
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