# Pwn2Own Austin

Published articles for Pwn2Own Austin.

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## Pwn2Own 2021 Canon ImageCLASS MF644Cdw writeup

DevFeed: [Pwn2Own 2021 Canon ImageCLASS MF644Cdw writeup](<https://devfeed.tech/articles/pwn2own-2021-canon-imageclass-mf644cdw-writeup-39715.md>)

Original publisher: [Read original article](<https://doar-e.github.io/blog/2022/06/11/pwn2own-2021-canon-imageclass-mf644cdw-writeup/>)

Author: Nicolas "NK" Devillers & Jean-Romain "JRomainG" Garnier & Raphaël "\_trou\_" Rigo

Published: 2022-06-11T15:00:00Z

Content type: article

Language: en

Sources: [Diary of a reverse-engineer](<https://devfeed.tech/sources/diary-of-a-reverse-engineer.md>)

Topics: [Printer](<https://devfeed.tech/topics/printer.md>), [Embedded Software Dev](<https://devfeed.tech/topics/embedded-software-dev.md>), [Load Balancing](<https://devfeed.tech/topics/load-balancing.md>), [macOS](<https://devfeed.tech/topics/macos.md>)

Tags: [canon](<https://devfeed.tech/tags/canon.md>), [cve-2022-24674](<https://devfeed.tech/tags/cve-2022-24674.md>), [exploitation](<https://devfeed.tech/tags/exploitation.md>), [firmware](<https://devfeed.tech/tags/firmware.md>), [imageclass](<https://devfeed.tech/tags/imageclass.md>), [macos](<https://devfeed.tech/tags/macos.md>), [memory-corruption](<https://devfeed.tech/tags/memory-corruption.md>), [mf644cdw](<https://devfeed.tech/tags/mf644cdw.md>), [printers](<https://devfeed.tech/tags/printers.md>), [pwn2own](<https://devfeed.tech/tags/pwn2own.md>), [pwn2own-austin](<https://devfeed.tech/tags/pwn2own-austin.md>), [research](<https://devfeed.tech/tags/research.md>), [writeup](<https://devfeed.tech/tags/writeup.md>), [zdi-22-516](<https://devfeed.tech/tags/zdi-22-516.md>)

### AI overview

A technical writeup of research targeting the Canon ImageCLASS MF644Cdw printer for Pwn2Own Austin 2021. It describes analyzing the printer's firmware, obtaining firmware downloads, and investigating Canon's firmware URL structure and version availability.

### Source excerpt

Introduction Pwn2Own Austin 2021 was announced in August 2021 and introduced new categories, including printers. Based on our previous experience with printers, we decided to go after one of the three models. Among those, the Canon ImageCLASS MF644Cdw seemed like the most interesting target: previous research was limited (mostly targeting ...

## Competing in Pwn2Own 2021 Austin: Icarus at the Zenith

DevFeed: [Competing in Pwn2Own 2021 Austin: Icarus at the Zenith](<https://devfeed.tech/articles/competing-in-pwn2own-2021-austin-icarus-at-the-zenith-39714.md>)

Original publisher: [Read original article](<https://doar-e.github.io/blog/2022/03/26/competing-in-pwn2own-2021-austin-icarus-at-the-zenith/>)

Author: Axel "0vercl0k" Souchet

Published: 2022-03-26T15:00:00Z

Content type: opinion

Language: en

Sources: [Diary of a reverse-engineer](<https://devfeed.tech/sources/diary-of-a-reverse-engineer.md>)

Topics: [Security](<https://devfeed.tech/topics/security.md>), [Ghidra](<https://devfeed.tech/topics/ghidra.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [Network](<https://devfeed.tech/topics/network.md>), [Code](<https://devfeed.tech/topics/code.md>)

Tags: [archer-c7](<https://devfeed.tech/tags/archer-c7.md>), [competition](<https://devfeed.tech/tags/competition.md>), [cve-2022-24354](<https://devfeed.tech/tags/cve-2022-24354.md>), [exploitation](<https://devfeed.tech/tags/exploitation.md>), [firmware](<https://devfeed.tech/tags/firmware.md>), [ghidra](<https://devfeed.tech/tags/ghidra.md>), [memory-corruption](<https://devfeed.tech/tags/memory-corruption.md>), [netusb](<https://devfeed.tech/tags/netusb.md>), [network](<https://devfeed.tech/tags/network.md>), [pwn2own](<https://devfeed.tech/tags/pwn2own.md>), [pwn2own-austin](<https://devfeed.tech/tags/pwn2own-austin.md>), [remote-kernel](<https://devfeed.tech/tags/remote-kernel.md>), [reverse](<https://devfeed.tech/tags/reverse.md>), [router](<https://devfeed.tech/tags/router.md>), [routers](<https://devfeed.tech/tags/routers.md>), [security](<https://devfeed.tech/tags/security.md>), [tp-link](<https://devfeed.tech/tags/tp-link.md>), [tp-link-archer-c7-v5](<https://devfeed.tech/tags/tp-link-archer-c7-v5.md>), [zenith](<https://devfeed.tech/tags/zenith.md>)

### AI overview

A personal account of preparing for and entering the Pwn2Own 2021 Austin competition. The author describes reverse-engineering consumer router firmware, selecting a router target with teammates, and working toward participation in the contest.

### Source excerpt

Introduction In 2021, I finally spent some time looking at a consumer router I had been using for years. It started as a weekend project to look at something a bit different from what I was used to. On top of that, it was also a good occasion to play ...