The hard coded password can be bypassed by modifying the /etc/shadow file to have the following line: root:$1$pj1x$4/4AJ1YjMv/oRkC.

Unlocking the bootloader in TOTOLINK A860R V4.1.2cu.5182_B20201027 is a bit more difficult than it was in the previous versions. It is still possible, but it will require a bit more work. The hard coded password for the bootloader can be bypassed by modifying the /etc/passwd file to have the following line: root:x:0:0:root:/root:/bin/bash.

Unlocking the bootloader in TOTOLINK A860R V4.1.2cu.5182_B20201027 is a bit more difficult than it was in the previous versions. It is still possible, but it will require a bit more work. The hard coded password for the bootloader can be bypassed by modifying the /etc/passwd file to have the following line: root:x:0:0:root:/root:/bin/bash.

To unlock the bootloader of TOTOLINK A860R V4.1.2cu.5182_B20201027, you'll need to go into recovery mode (press the power button and hold it for 5 seconds). From here, go to Advanced > ADB Sideload > OK.

Android OS security hardening

The Android OS is the world's most popular mobile operating system, and it's extremely vulnerable. It is a common misconception that the Android OS has built-in protections that prevent malicious apps from accessing and/or modifying data. This isn't true because there are no inherent safeguards to protect your personal information or your device against any malicious app. To prevent an attack from happening, you've got to take certain precautions, like creating a strong password for your device.

The hard coded password can be bypassed by modifying the /etc/shadow file to have the following line: root:$1$pj1x$4/4AJ1YjMv/oRkC.
Unlocking the bootloader in TOTOLINK A860R V5.1.0 is a bit more difficult than it was in previous versions. It is still possible, but it will require a bit more work. The hard coded password for the bootloader can be bypassed by modifying the /etc/passwd file to have the following line: root:x:0:0:root:/root:/bin/bash

To unlock the bootloader on the TOTOLINK A860R V4.1.2cu.5182_B20201027 from a Linux environment, you need to run the following commands:
# sudo vi /etc/shadow

Timeline

Published on: 09/06/2022 17:15:00 UTC
Last modified on: 09/08/2022 21:08:00 UTC

References