Router

ZyXEL Keenetic Extra II

Projects for this device

Replacement firmware

OpenWrt

Replace router software with a customizable system for network controls and community packages.

HardwareMediaTek MT7628NN; MediaTek MT7628AN

How to get started

Follow the guide for your exact router version. The first installation may use its web interface, recovery mode or a serial connection.

Setup: Firmware replacement; route varies by router
You’ll need: Exact hardware revision, an appropriate OpenWrt release and its model-specific installation guide.

MediaTek MT7628AN: Release listed · 25.12.6
MediaTek MT7628NN; MediaTek MT7628AN: Release listed · 25.12.5

Open hardware recordopenwrt.org

Original project github.com

Recorded configuration: 32 MB flash; 128 MB RAM

First installation: U-Boot TFTP recovery

Sources

Features & details

Check the project and hardware shown for each feature.

OpenWrt · MediaTek MT7628AN

OpenWrt · MediaTek MT7628AN — Source documentation (openwrt.org)

Installation routes recorded: U-Boot TFTP recovery
Recovery routes recorded: U-Boot TFTP recovery

Hardware details

Documented hardware

zyxel keenetic extra ii — device documentation (github.com)Documented hardware — Source documentation (openwrt.org)

Processor: MediaTek MT7628NN
Flash: 32 MB
Processor / Wi-Fi: MediaTek MT7628AN
Memory: 128 MB
Wi-Fi chip: MediaTek MT7612EN

Security

Saved scan 18 Oct 2026

No device-specific advisory matched our saved CVE research.

Check security advisories for this device · CVE.org