The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains an undocumented "backdoor" that could be leveraged for attacks.
There is an article going around that ESP32 chips have a backdoor. It's an undocumented software API. If you are writing code for the ESP32, you can run more commands. It doesn't allow anyone from the outside to just access what's going on in the chip. The use of the word "backdoor" was clickbait 🫤
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