WiiPossibly, but isn't the thought possible? As I said earlier I'm no hacker and have 0 experience but I have heared about jpegs allowing "hackers" to run code on systems on computers a few times (working from memory which is hell this time of day; after studying for the past few hours for a test).
It worked on psp firmwares 2.00 - 2.80 or there was 2 different exploits but they did same thing.