[TP-Link TL-R483G Industrial router] Config.bin file Decrypted

Hi Folks,

today I'm gonna take a quick look to the TP-Link TL-R483G sold in China.
I've got a chance to have a firmware and config file on Github so I decided to dig into it.

Once unpacked the firmware (standard uboot image), the references on encryption/"save configs" brings me on firmware_backuprestore.lua script file.

by going straight to the executable, I noticied that the config encrypted file has 0x10 bytes of signature (by reading the typical initialize variables can …

china dig encrypted encryption file firmware github industrial link lua malware analysis router script signature standard tp-link uboot