/tags/firmware/Recent content in Firmware on GerboiseHugoenGerboiseMon, 16 Mar 2026 00:00:00 +0000/blog/beeper-1-reverse-engineering-a-hidden-command/Mon, 16 Mar 2026 00:00:00 +0000/blog/beeper-1-reverse-engineering-a-hidden-command/Reverse engineering a Zephyr firmware to find a hidden XOR-obfuscated command in a Ph0wn CTF challenge