A Japanese developer, キューブキューブ @ cubeundcube created root tool for a lot of Xperia devices. His root tools uses two exploit - one is master key exploit (bug 9950697), another one is CVE-2013-6282. No internet connection is required. [UPDATED] He updated rootkitXperia and now uses CVE-2014-3153 (towelroot exploit). If you want to use his files, please include src folder in your tool. His sources are GPL licensed. Confirmed list CVE-2014-3153 (rootkitXperia_20140719) …and more! - Can"t find your device / version? Try rootkitXperia_20140719 and report if it works or not. When you report, please write your device name and build number. WON"T WORK on the firmware released after August 2014 since SONY patched CVE-2014-3153. bug 9950697 (rootkitZ) CVE-2013-6282 (rootkitXperia) Download --- CVE-2014-3153 --- new! You can download from this tweet. https://twitter.com/cubeundcube/stat...53209164349441 --- bug 9950697 --- You can download root tool from his Japanese website, http://cubeundcube.blogspot.jp/2013/...2e-so-04e.html find "rootkitZ_20131112.zip" and download. --- CVE-2013-6282 --- You can download from this tweet. https://twitter.com/cubeundcube/stat...91968795680770 Instruction 1. Setup adb including PATH (search how-to or see this tutorial) !! These tools don"t contain adb, so you have to setup adb, its PATH and adb driver !! You will use adb after rooting, so you should setup it now. DO NOT mirror rootkitXperia with adb.exe. 2. Enable USB debugging and Unknown Sources on your device 3. Extract zip 4. Run install.bat and follow the instructions on the cmd. If your device reboot and cmd says "完了しました" or "--- all finished ---", rooting is done. Note: If you have problem updating su binary, please install XZDualRecovery and install SuperSU"s zip by using recovery. If this root tool helps you, please consider donating to him via Paypal. He has only Xperia AX, which is Japanese version of Xperia V, so please donate to him to support buying new Xperia.
Source: http://rootkitxperia.com/