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(Image credit: Getty Images) An engineer got curious about how his iLife A11 smart vacuum worked and monitored the network traffic coming from the device. That’s when he noticed it was constantly sending logs and telemetry data to the manufacturer — something he hadn't consented to. The user, Harishankar , decided to block the telemetry servers' IP addresses on his network, while keeping the firmware and OTA servers open. While his smart gadget worked for a while, it just refused to turn on soon after. After a lengthy investigation, he discovered that a remote kill command had been issued to his device.
He sent it to the service center multiple times, wherein the technicians would turn it on and see nothing wrong with the vacuum. When they returned it to him, it would work for a few days and then fail to boot again. After several rounds of back-and-forth, the service center probably got tired and just stopped accepting it, saying it was out of warranty. Because of this, he decided to disassemble the thing to determine what killed it and to see if he could get it working again.
Since the A11 was a smart device, it had an AllWinner A33 SoC with a TinaLinux operating system, plus a GD32F103 microcontroller to manage its plethora of sensors, including Lidar, gyroscopes, and encoders. He created PCB connectors and wrote Python scripts to control them with a computer, presumably to test each piece individually and identify what went wrong. From there, he built a Raspberry Pi joystick to manually drive the vacuum, proving that there was nothing wrong with the hardware.
Hacker breaks into on-campus smart washing machines
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Reference reading
- https://www.tomshardware.com/tech-industry/big-tech/SPONSORED_LINK_URL
- https://www.tomshardware.com/tech-industry/big-tech/manufacturer-issues-remote-kill-command-to-nuke-smart-vacuum-after-engineer-blocks-it-from-collecting-data-user-revives-it-with-custom-hardware-and-python-scripts-to-run-offline#main
- https://www.tomshardware.com
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