Building HBOM for a Router

With upcoming CycloneDX 2.0 release, a lot of improvements were made regarding its Hardware Bill of Materials (HBOM) capabilities. In this post, I’ll describe process how you can generate an HBOM for a Wi-Fi router. In my case, I’m using D-Link R18 worth about ~30$ and sitting unused in my case. In parallel with HBOM I worked with Claude to add it OpenWRT support (which worked and which I would describe separately). But since I participated in HBOM group work, I thought this would be a good exercise. First, important note that it’s always easier for manufacturer to create SBOMs, HBOMs and other BOMs. But since those rarely exist and if they are usually remain undistributed, I’ll show how we can make one ourselves. I Label Router usually has label, which has some useful information, which in my case included product number, serial number, model number, country of origin, MAC address and several regulatory classifications. If you don’t worry about exposing network default passwords,…

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