This week the news of an "ESP backdroor" spread around the internet like wildfire. We dig into the technical details as to what happened, and what if any, the risk is. -- During The Show -- 00:52 Intro Thank you for visiting at Scale Weather Cutting Silicon Wafers YouTube Video (https://m.youtube.com/watch?v=WHmRj2mZ-dk) Sleuth - Live Ham Radio Liscnse Address requirement ARRL Privacy (https://www.arrl.org/fcc-licensee-privacy) Private Mail Box Nomads With a Purpose (https://www.nomadswithapurpose.com/south-dakota-residency-full-time-rv/) Dakota Post (https://www.dakotapost.net/) America's Mailbox (https://americasmailbox.com/south-dakota-residency/) QSL Cards 09:15 HVAC follow up - Ziggy Boiler Heat Equipment Interface Module How boilers work ESP32 Pull the old thermostat Be careful making changes on the boiler Venstar Thermostats (https://venstar.com/thermostats/colortouch/) Honeywell Intrusion (https://www.amazon.com/Honeywell-Intrusion-TH6320ZW2003/dp/B07H5FR7WL/) 21:49 Fedora on PI Boot Problems - Mark Other people report Fedora "hangs" on Raspberry Pi 4 Try it on another pi Raspberry Pi 5 27:16 News Wire Samba 4.22 - samba.org (https://www.samba.org/samba/history/samba-4.22.0.html) Pipewire 1.4 - gitlab.freedesktop.org (https://gitlab.freedesktop.org/pipewire/pipewire/-/releases/1.4.0) Thunderbird 136 - thunderbird.net (https://www.thunderbird.net/en-US/thunderbird/136.0/releasenotes/) Firefox 136 - mozilla.org (https://www.mozilla.org/en-US/firefox/136.0/releasenotes/) Ubuntu Touch OTA 8 - ubports.com (https://ubports.com/en/blog/ubports-news-1/post/ubuntu-touch-ota-8-release-26) ExTix 25.3 - linux.exton.net (https://linux.exton.net/extix-25-3-kde-plasma-and-the-ubuntu-desktop-together-with-waydroid-waydroid-lets-you-launch-a-complete-android-system-on-linux-with-gapps-build-250305/) Tails 6.13 - torproject.org (https://blog.torproject.org/new-release-tails-6-13/) Garuda Linux Broadwing - opensourcefeed.org (https://www.opensourcefeed.org/garuda-linux-broadwing-release/) Malicious Go Packages - thehackernews.com (https://thehackernews.com/2025/03/seven-malicious-go-packages-found.html) Alibaba qwq - venturebeat.com (https://venturebeat.com/ai/alibabas-new-open-source-model-qwq-32b-matches-deepseek-r1-with-way-smaller-compute-requirements/) Light-R1-32B - venturebeat.com (https://venturebeat.com/ai/new-open-source-math-model-light-r1-32b-surpasses-equivalent-deepseek-performance-with-only-1000-in-training-costs/) EFF Rayhunter - eff.org (https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying) 28:38 Software Freedom Conservancy Interview Denver Gingerich - Director of Compliance OpenWRT One (https://sfconservancy.org/activities/openwrt-one.html) Powered over PoE $10 of purchase price goes to OpenWRT Target audience Un-brickable Made by BananaPi 36:10 Considering OpenWRT One Steve for family? On par with any consumer router OpenWRT vs OPNSense Very well put together 39:35 ESP32 "Backdoor" The basics Wireless has to talk What the company did opcode3f Undocumented Commands 0xFC30 - Register Read 0xFC31 - Register write 0xFC32 - Set MAC Address 0xFC07 - Write Flash 0xFC08 - Read Flash 0xFC0E - Send LMP Packet (different layers of the bluetooth stack) What they are not telling you Much to do about nothing Ycombinator.com (https://news.ycombinator.com/item?id=43330331) Espressif Response (https://www.espressif.com/en/news/Response_ESP32_Bluetooth) Dark Mentor (https://darkmentor.com/blog/esp32_non-backdoor/) 46:37 Vizio Lawsuit SFC filed Oct 19 2021 Vizio tried to move the lawsuit Going to trial in this year in Oct SFC became a hardware manufacture to avoid fighting these lawsuits 51:00 Steve's eBook Tinkering Started to help ChrisLAS Extending the program -- The Extra Credit Section -- For links to the articles and material referenced in this week's episode check out this week's page from our podcast dashboard! This Episode's Podcast Dashboard (http://podcast.asknoahshow.com/432) Phone Systems for Ask Noah provided by Voxtelesys (http://www.voxtelesys.com/asknoah) Join us in our dedicated chatroom #GeekLab:linuxdelta.com on Matrix (https://element.linuxdelta.com/#/room/#geeklab:linuxdelta.com) -- Stay In Touch -- Find all the resources for this show on the Ask Noah Dashboard Ask Noah Dashboard (http://www.asknoahshow.com) Need more help than a radio show can offer? Altispeed provides commercial IT services and they’re excited to offer you a great deal for listening to the Ask Noah Show. Call today and ask about the discount for listeners of the Ask Noah Show! Altispeed Technologies (http://www.altispeed.com/) Contact Noah live [at] asknoahshow.com -- Twitter -- Noah - Kernellinux (https://twitter.com/kernellinux) Ask Noah Show (https://twitter.com/asknoahshow) Altispeed Technologies (https://twitter.com/altispeed)
