Home Blog IoT Development Analyze IoT Device Firmware: Practical Guide

Analyze IoT Device Firmware: Practical Guide

March 20, 2023
7 minutes to read

Written by:

Kostiantyn Oliynyk

Kostiantyn Oliynyk

Head of IoT at Webbylab

Kostiantyn started his career in IT at Webbylab, where he quickly grew from the position of a tester to the role of a manager and business analyst. When the company’s management decided to develop the IoT direction, Kostia became one of its key figures.

FAQ
Why do we need dynamic analysis of IoT device firmware components?

The dynamic analysis allows users to search for vulnerabilities and quick firmware update for iot devices. It’s quite accurate and yields good results. Dynamic analysis looks at the firmware while it is in operation. In order to perform it, you need to have the firmware running, physical device, pen testing tools, NMAP, default credentials, Google, and Shodan.

What vulnerabilities can be identified through IoT firmware analysis?

Many iot firmware vulnerabilities can be detected with the help of firmware analysis, such as insecure network services, lack of secure update mechanisms, weak firmware authentication, hardcoded passwords, and more.

How long does the IoT firmware analysis take?

Firmware analysis is a useful tool for identifying vulnerabilities in the device firmware, improving product stability, extending functionality, and making it more resistant to attacks. There are manual and automated IoT firmware analysis methods. Automated analysis is performed using open-source tools that speed up and facilitate the process. The analysis duration depends on many factors, like the device type, the tool you use, and analysis method, and whether you do it on your own or hire a specialist.

How quickly can vulnerabilities be fixed after IoT firmware analysis?

Once you perform IoT device firmware analysis and see your device issues, you can address an IT engineer immediately or try to do it on your own if a vulnerability is not critical. The time of improving your device security depends on the number of vulnerabilities and their complexity, ranging from several hours to several days.

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