Amid the XDA community's ongoing quest to root every Android handset it comes across, one forum user appears to have found a serious exploit that affects certain Exynos devices.

ENGADGET: Security exploit opens Samsung Galaxy S III, Note II to attack, could let apps from Google Play write to Kernel

Cydia founder Jay Freeman posted the above image on Twitter this afternoon to show that he had gained root access on his unit, telling Forbes he relied upon a well-known Android 4.0.4 exploit to take control of its OS. The bad news?

ENGADGET