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openwrt-vgv7519 / lantiq-vgv7519-original-firmware

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UART disabled during boot #1

Open stoked-security opened 7 years ago

stoked-security commented 7 years ago

Hi, Sorry to create an issue for this, but I didn't know another way to contact The-Lizard. I am doing some research on the original firmware and found the OpenWRT wiki page about the VGV7519. It seems you succeeded in getting the UART working to get the full OEM boot log. However the wiki page does not explain how you accomplished this. I would be very interested to learn how you did this.

ghost commented 7 years ago

Hi, If I remember correctly I used JTAG to break in the ‘printf’ function and patched a variable that is checked prior to printing the strings. When this variable is patched, the entire bootlog is printed.

From: stoked-security Sent: Tuesday, October 4, 2016 11:34 PM To: openwrt-vgv7519/lantiq-vgv7519-original-firmware Subject: [openwrt-vgv7519/lantiq-vgv7519-original-firmware] UART disabled during boot (#1)

Hi, Sorry to create an issue for this, but I didn't know another way to contact The-Lizard. I am doing some research on the original firmware and found the OpenWRT wiki page about the VGV7519. It seems you succeeded in getting the UART working to get the full OEM boot log. However the wiki page does not explain how you accomplished this. I would be very interested to learn how you did this.

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