Tenda AC15 Firmware V15.03.05.19(9061)_EN (for EU)
TELNET Tenda.lan USER root PASS Fireitup
Linux Tenda 2.6.36.4brcmarm #1 SMP PREEMPT Mon Jan 14 23:50:14 EST 2019 armv7l GNU/Linux
firmware-mod-kit ./extract-firmware.sh ac15_kf_V15.03.05.19(9061_).bin