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Edimax 7205APL




Vendor: Edimax
Type: 7205APL
Firmware: 2.40a-00
Kind of bug: Security
Description: Normally a user called addmin, has to create a password on the 
Accesspoint.
When you create a back-up of the settings of your Accesspoint, it will result 
in a config.bin file.
Opening the file in Notepad gave the next result:

ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ 71331234,À¨ÿÿÿ    default.domainÀ¨À¨dÀ¨Èadmin 
XXXXX guest 
1234 WirelessXXXXXX,  À¨?ÿyy  À¨À¨À¨dÀ¨domain©üUoù Lg C´ ©üUoù
Lg C´é

You can see the password of the admin XXXXX (for security reasons, I have 
changed the original one in XXXXX) and the password of a user called guest, 
1234.
When you log in to the accesspoint with guest and 1234, you can make a backup. 
With the same content like above of the admin. 
It is not possible to remove the user, because it is inside the firmware. So 
only a new one can solve this security problem.