网络盒子装的Ubuntu 12.04, 求刷机包

RH1***

手上有一个网络盒子，里面装了Ubuntu的系统，下面是硬件信息，大家帮我看看我这个硬件能找到Openwrt或者其他linux的刷机包吗?
Welcome to Ubuntu 12.04.4 LTS (GNU/Linux 3.0.36+ armv7l)

* Documentation:  https://help.ubuntu.com/

Your Ubuntu release is not supported anymore.
For upgrade information, please visit:
http://www.ubuntu.com/releaseendoflife

New release '14.04.6 LTS' available.
Run 'do-release-upgrade' to upgrade to it.

root@rytangle:~# lscpu
Architecture:          armv7l
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    1
Socket(s):             4
root@rytangle:~# lshw -short

ats***

别想了吧，这都多少年了