Seas0nPass provides an UN-TETHERED jailbreak of the 2nd gen Apple TV running the 5.3 (iOS 6.1.4 - 10B809) software that was released on June 19th, 2013. Older Apple TV versions can be used with saved firmware signatures. The 3rd gen Apple TV is not yet supported. Download Links Seas0nPass for Mac [10.6 or later] Seas0nPass for Windows [XP or later]
Source: http://seas0npass.org/