While "jailbreaking" a Time Capsule isn't as straightforward as it is for an iPhone, the device actually runs a modified version of , which opens several doors for advanced users. Why Consider Custom Firmware? The primary driver for hacking a Time Capsule is longevity.
Apple Time Capsule Custom Firmware: Unlocking Your Legacy Hardware apple time capsule custom firmware
This is currently the most active "soft" modification. Instead of replacing the entire OS, the TimeCapsuleSMB project layers a modern onto the existing NetBSD system. While "jailbreaking" a Time Capsule isn't as straightforward
While there has been significant effort in the OpenWrt forums to port OpenWrt to the Marvell Kirkwood-based Time Capsules, it remains a highly technical challenge. it remains a highly technical challenge.