Voltage
As usual, when voltage glitching, we need to remove every capacitor on VCC and if possible find a direct connection to the Core power supply.
It’s useful to remove decoupling capacitors when performing voltage glitchs / voltage fault injection.
https://www.synacktiv.com/en/publications/how-to-voltage-fault-injection
Unlimited Results: Breaking Firmware Encryption of ESP32-V3
https://eprint.iacr.org/2023/090.pdf
https://blog.willemmelching.nl/carhacking/2022/11/08/rh850-glitch/
https://www.collshade.fr/articles/reneshack/rx_glitch_article.html
https://limitedresults.com/2019/08/pwn-the-esp32-crypto-core/
https://courk.cc/esp32-c3-c6-fault-injection