Will Robertson

Open Source contributions: rsyslog

September 2025

rsyslog is a widely deployed log processing daemon shipped as the default syslog implementation across most Linux distributions. I contributed two patches upstream in 2025.

Security Research: LibreChat

August 2024

Two CVEs discovered in LibreChat, an open-source AI chat platform: a conversation hijacking flaw and a path traversal vulnerability, both reported through REA Group's coordinated disclosure program.

Open Source contributions: Caddy

June 2024

Caddy is a modern web server with automatic HTTPS. I contributed split API token support to its Cloudflare DNS plugin and the underlying libdns library.

Security Research: Dinkleberry

April 2024

A Python tool that patches D-Link NAS devices vulnerable to CVE-2024-3272 by using the exploit itself to overwrite the vulnerable code in place.

Ducky One USB hub mod

February 2024

Added a hidden USB Type-A port to a Ducky One mechanical keyboard by installing an internal USB hub and rewiring the keyboard's controller as a downstream device alongside a new rear-facing socket.

Open Source contributions: Ethereum staking

November 2023

Prysm and eth-docker are tools for running Ethereum validator nodes. I contributed Debian packaging to Prysm and several fixes to eth-docker while running my own validators.

Logitech Lightspeed USB-C mod

February 2023

Replaced the USB-A plug on a Logitech Lightspeed wireless receiver with a USB-C connector, since Logitech don't sell a C version and a bulky adapter wasn't cutting it on a MacBook.

Pentagraph

January 2022

A browser-based PGP encryption and decryption tool. Keys are loaded locally and never leave the browser - all cryptographic operations happen client-side.

UpThing - Up Bank API toy

August 2020

So I made a bank website! Well, not really, but Up recently published the first version of their API, so I took the opportunity to have a play.

UpThing provides a desktop web UI for the bank (which is normally mobile app only) as well as enabling transaction notifications to Discord, and Google Sheets integration.

Small scale RGB LED matrix

July 2020

A Raspberry Pi driven 32×16 WS2812B LED matrix with companion clients for Windows screen capture and live Bureau of Meteorology rain radar.

Scrapelet

April 2020

A browser bookmarklet that scrapes data from the current page using your active session, bypassing anti-scraping measures by piggybacking on the page you've already loaded.

Deformed Penrose Tiling

February 2020

Inspired by a post I saw on Reddit ^[1], I was tempted to re-create this and use the apparent brightness difference as a method of shading a greyscale image. It turns out it works pretty well!

Website remake

May 2016

Long overdue, I upgraded my website to some more updated technologies. All the old content remains (plus some new entries!), but now driven via a Laravel backend, responsive layout, CSS tweaks, and less jQuery bloat.

fuzzycomplete jQuery plugin

April 2016

Not satisfied by the flexibility of existing javascript autocomplete libraries, I set out creating one of my own. I ended up using it across a few of my sites so I packaged it up as a jQuery plugin and published the result on GitHub.

Github Page

Modular audio amplifier

December 2015

I built a custom amplifier for my Dad as a Christmas/birthday present out of eBay modules, a chunk of wood and custom moulded acrylic.

Large scale RGB LED display

December 2014

To support a small music festival run by some friends, I helped create some stage equipment used by the bands. I designed and built 8 modular 1x1 meter RGB LED displays, capable of taking input from a PC, or running pre-coded visualizations.

eSports replay website

June 2014

Cofounder and technical lead of a website dedicated to eSports replays, focusing primarily on competitive League of Legends tournaments. Responsible for feature implementation, security analysis and hardening, as well as contributing to website content.

eSReplay.tv

3D printed minimalist USB keyring

January 2014

My old USB key came apart, so I went about designing a replacement casing to fit on my keyring. Taking advantage of 3D printing in metal, I was able to create a slimline, durable alternative.

Lantern LED retrofit

May 2012

Retrofitting an inefficient incandescent lantern with more efficient LED technology for a friend, overcoming some fundamental hurdles along the way.

Switchmode supply

October 2011

While working on another project, I needed a compact switchmode power supply. This handmade board was designed to test the capability of the LT1370 chip at the heart of this switching regulator.

Ford Laser Hotwiring

August 2011

After a respectable gentleman tried to break into my friend's car and turn the ignition with a screwdriver (unsuccessfully), my friend was left with an unworking ignition.

He still needed the car, and until he could get the ignition replaced we decided to try hotwiring the car.

Personal Website

May 2011

This website was designed by myself and written from scratch in notepad. It utilises the jQuery javascript library for all the fancy animations and ajax stuff. Social media icons licensed under Creative Commons BY-SA from Komodomedia.com

It is fully WC3 standards compliant.

HTC headphone controller

December 2010

Dissatisfied with the standard headphone quality that shipped with my HTC phone, but not wanting to leave the ability to control the media application behind I designed and built an adapter which allowed any headphone to be plugged in to a custom controller.

Final Year Project

November 2010

For my final year project I worked on developing the hardware and software of a "Smart Power Meter".

The hardware is based on a current clamp, Atmel microcontroller, ZigBee wireless module and Linksys WRT54G router while the software leverages the Google Powermeter API to record measurements for users.

Image evolver

November 2009

A simple program created for fun (It doesn't have much use other than looking cool). When given a reference image the program attempts to recreate it sequentially, getting better and better as time goes on.

Wireshark dissector for Link 16

November 2009

As part of my degree I was required to complete 12 weeks of work placement in the industry. I was fortunate enough to be granted a scholarship position at the Defence Science and Technology Organisation (DSTO) to develop a Wireshark "dissector" capable of decoding Link 16.

Digital bar fridge thermostat

March 2009

An electronically controlled thermostat designed to keep the insides of a 240 volt bar fridge at a constant temperature while fermenting home brewed beer.