---
id: 613
title: "Introduction to UART hardware hacking"
source_domain: bugcrowd.com
source_url: "https://www.bugcrowd.com/blog/introduction-to-uart-hardware-hacking/"
published_at: "2025-06-17T12:00:33Z"
tags: ["hardware-hacking", "uart", "embedded-systems", "logic-analyzer", "fcc", "root-shell"]
phying_url: "https://phying.com/item/613"
lang: en
---

# Introduction to UART hardware hacking

## Summary

UART debug ports on embedded devices can expose an unauthenticated root shell. The guide covers finding four-pin headers or test points, logic analysis, and checking FCC internal photos for pinouts.

## Intelligence Metadata

- **Sources:** bugcrowd.com
- **Published:** 2025-06-17T12:00:33Z
- **Original:** https://www.bugcrowd.com/blog/introduction-to-uart-hardware-hacking/
- **Phying News:** https://phying.com/item/613