old firmware

I found a CISCO PVC2300 POE two way audio IP Cam in my cupboard I had forgotten about and never used. I assume its far to old to use now? I mean in terms of firmware it would be vulnerable security wise?

Hello, after 2 years digging for new firmware for my chines camera i start to give up. On beginning I tried to change firmware to English but no luck/help , then i realize that chines language is not bad... - less people can play with my setup for that camera. But after every days hit by some...