Posts on [rolbk.com]#

When Yallo removes bridge mode on my Home Router after explicitly promising it, then I’ll just re-enable it myself - even if it means desoldering the NAND and extracting the raw firmware.

A collection of smaller home automation projects built on open source solutions from others.

My friends built me a custom CTF for my 26th birthday.

A writeup about exploiting an image converter service through path traversal and multiprocessing pickle deserialization.

A writeup for EPFL CS412’s HEAP-MEANU challenge involving heap exploitation through one-byte overflow and constrained brute-force reading.

How I used an ESP, magnets, and Kubernetes to solve the great toilet crisis of 2021.

How I made my apartment entrance buzz me in after authenticating my phone over BLE.

When your loft flat turns into a sauna every summer, the logical solution is obviously to reverse-engineer a decades-old proprietary bus protocol.

How I reverse-engineered my electric sofa to work with Home Assistant using an ESP32.