---
id: 7680
title: "Emulating & Exploiting UEFI: Unveiling Vulnerabilities in Firmware Security"
source_domain: netspi.com
source_url: "https://www.netspi.com/blog/technical-blog/hardware-and-embedded-systems-penetration-testing/emulating-and-exploiting-uefi/"
published_at: "2026-05-21T00:00:00Z"
tags: ["reverse-engineering", "firmware", "uefi", "qiling", "bios", "buffer-overread", "logofail"]
phying_url: "https://phying.com/item/7680"
lang: en
---

# Emulating & Exploiting UEFI: Unveiling Vulnerabilities in Firmware Security

## Summary

Using the Qiling framework to emulate a UEFI PNG decoder, researchers found a buffer over-read from spoofed IDAT chunk lengths, a LogoFail-adjacent flaw leaking data during boot.

## Intelligence Metadata

- **Sources:** netspi.com
- **Published:** 2026-05-21T00:00:00Z
- **Original:** https://www.netspi.com/blog/technical-blog/hardware-and-embedded-systems-penetration-testing/emulating-and-exploiting-uefi/
- **Phying News:** https://phying.com/item/7680