diff --git a/package/boot/uboot-tools/uboot-envtools/files/airoha_an7581 b/package/boot/uboot-tools/uboot-envtools/files/airoha_an7581
new file mode 100644
index 0000000000..29e6c39886
--- /dev/null
+++ b/package/boot/uboot-tools/uboot-envtools/files/airoha_an7581
@@ -0,0 +1,23 @@
+#
+# Copyright (C) 2025 OpenWrt.org
+#
+
+[ -e /etc/config/ubootenv ] && exit 0
+
+touch /etc/config/ubootenv
+
+. /lib/uboot-envtools.sh
+. /lib/functions.sh
+
+board=$(board_name)
+
+case "$board" in
+gemtek,w1700k-ubi)
+	ubootenv_add_ubi_default
+	;;
+esac
+
+config_load ubootenv
+config_foreach ubootenv_add_app_config
+
+exit 0
diff --git a/target/linux/airoha/an7581/base-files/etc/board.d/01_leds b/target/linux/airoha/an7581/base-files/etc/board.d/01_leds
index 2eac5c6f15..f492d3e14d 100644
--- a/target/linux/airoha/an7581/base-files/etc/board.d/01_leds
+++ b/target/linux/airoha/an7581/base-files/etc/board.d/01_leds
@@ -13,6 +13,12 @@ airoha,an7581-evb)
 	ucidef_set_led_usbport "usb1" "USB 1" "green:usb-1" "usb1-port1" "usb2-port1"
 	ucidef_set_led_usbport "usb2" "USB 2" "green:usb-2" "usb3-port1" "usb4-port1"
 	;;
+gemtek,w1700k-ubi)
+	ucidef_set_led_netdev "lan3-yellow" "lan3" "yellow:lan-3" "lan3" "link_10 link_100"
+	ucidef_set_led_netdev "lan3-green" "lan3" "green:lan-3" "lan3" "link_1000 tx rx"
+	ucidef_set_led_netdev "lan4-yellow" "lan4" "yellow:lan-4" "lan4" "link_10 link_100"
+	ucidef_set_led_netdev "lan4-green" "lan4" "green:lan-4" "lan4" "link_1000 tx rx"
+	;;
 esac
 
 board_config_flush
diff --git a/target/linux/airoha/an7581/base-files/etc/board.d/02_network b/target/linux/airoha/an7581/base-files/etc/board.d/02_network
index 7f03fdc512..734808cb3d 100644
--- a/target/linux/airoha/an7581/base-files/etc/board.d/02_network
+++ b/target/linux/airoha/an7581/base-files/etc/board.d/02_network
@@ -14,6 +14,9 @@ an7581_setup_interfaces()
 	airoha,an7581-evb)
 		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3 lan4" "eth1"
 		;;
+	gemtek,w1700k-ubi)
+		ucidef_set_interfaces_lan_wan "lan2 lan3 lan4" "wan"
+		;;
 	*)
 		echo "Unsupported hardware. Network interfaces not initialized"
 		;;
diff --git a/target/linux/airoha/an7581/base-files/etc/init.d/airoha_fan b/target/linux/airoha/an7581/base-files/etc/init.d/airoha_fan
new file mode 100644
index 0000000000..0705402ea7
--- /dev/null
+++ b/target/linux/airoha/an7581/base-files/etc/init.d/airoha_fan
@@ -0,0 +1,47 @@
+#
+# Copyright (C) 2025 openwrt.org
+#
+
+START=99
+
+. /lib/functions.sh
+
+find_nct7802()
+{
+	for hwmon in /sys/class/hwmon/hwmon*; do
+		if [ -f "$hwmon/name" ] && [ "$(cat "$hwmon/name" 2>/dev/null)" = "nct7802" ]; then
+			echo "$hwmon"
+			return
+		fi
+	done
+	echo "/sys/class/hwmon/hwmon5" # fallback
+}
+
+boot()
+{
+	case $(board_name) in
+	gemtek,w1700k-ubi)
+		hwmon=$(find_nct7802)
+
+		# Temporarily disable automatic fan control to configure curve
+		echo 1 > $hwmon/pwm1_enable
+
+		# Match trigger points from vendor firmware
+		echo 40000 > $hwmon/pwm1_auto_point1_temp
+		echo 50000 > $hwmon/pwm1_auto_point2_temp
+		echo 60000 > $hwmon/pwm1_auto_point3_temp
+		echo 70000 > $hwmon/pwm1_auto_point4_temp
+		echo 80000 > $hwmon/pwm1_auto_point5_temp
+
+		# Match fan speed from vendor firmware
+		echo 54  > $hwmon/pwm1_auto_point1_pwm
+		echo 69  > $hwmon/pwm1_auto_point2_pwm
+		echo 95  > $hwmon/pwm1_auto_point3_pwm
+		echo 199 > $hwmon/pwm1_auto_point4_pwm
+
+		# Re-enable automatic fan control
+		echo 2 > $hwmon/pwm1_enable
+		;;
+	esac
+}
+
diff --git a/target/linux/airoha/an7581/base-files/lib/upgrade/platform.sh b/target/linux/airoha/an7581/base-files/lib/upgrade/platform.sh
new file mode 100644
index 0000000000..767f499faa
--- /dev/null
+++ b/target/linux/airoha/an7581/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,19 @@
+REQUIRE_IMAGE_METADATA=1
+RAMFS_COPY_BIN='fitblk fit_check_sign'
+
+platform_do_upgrade() {
+	local board=$(board_name)
+
+	case "$board" in
+		gemtek,w1700k-ubi)
+			fit_do_upgrade "$1"
+			;;
+		*)
+			nand_do_upgrade "$1"
+			;;
+	esac
+}
+
+platform_check_image() {
+	return 0
+}
diff --git a/target/linux/airoha/dts/an7581-w1700k-ubi.dts b/target/linux/airoha/dts/an7581-w1700k-ubi.dts
new file mode 100644
index 0000000000..10a2c7d115
--- /dev/null
+++ b/target/linux/airoha/dts/an7581-w1700k-ubi.dts
@@ -0,0 +1,407 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include "an7581.dtsi"
+
+/ {
+	model = "Gemtek W1700K (OpenWrt U-Boot layout)";
+	compatible = "gemtek,w1700k-ubi", "airoha,an7581", "airoha,en7581";
+
+	aliases {
+		serial0 = &uart1;
+		led-boot = &led_status_red;
+		led-failsafe = &led_status_blue;
+		led-upgrade = &led_status_blue;
+		led-running = &led_status_green;
+	};
+
+	chosen {
+		rootdisk = <&ubi_rootfs>;
+		bootargs = "console=ttyS0,115200 earlycon ubi.block=0,fit root=/dev/fit0 rootwait";
+		stdout-path = "serial0:115200n8";
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		key-restart {
+			label = "reset";
+			gpios = <&en7581_pinctrl 0 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_status_green: led-0 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&en7581_pinctrl 17 GPIO_ACTIVE_LOW>;
+		};
+
+		led_status_blue: led-1 {
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&en7581_pinctrl 19 GPIO_ACTIVE_LOW>;
+		};
+
+		led_status_red: led-2 {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&en7581_pinctrl 29 GPIO_ACTIVE_LOW>;
+		};
+
+		led_status_white: led-3 {
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&en7581_pinctrl 20 GPIO_ACTIVE_LOW>;
+		};
+
+		led-4 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_LAN;
+			function-enumerator = <3>;
+			gpios = <&en7581_pinctrl 9 GPIO_ACTIVE_LOW>;
+		};
+
+		led-5 {
+			color = <LED_COLOR_ID_YELLOW>;
+			function = LED_FUNCTION_LAN;
+			function-enumerator = <3>;
+			gpios = <&en7581_pinctrl 10 GPIO_ACTIVE_LOW>;
+		};
+
+		led-6 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_LAN;
+			function-enumerator = <4>;
+			gpios = <&en7581_pinctrl 27 GPIO_ACTIVE_LOW>;
+		};
+
+		led-7 {
+			color = <LED_COLOR_ID_YELLOW>;
+			function = LED_FUNCTION_LAN;
+			function-enumerator = <4>;
+			gpios = <&en7581_pinctrl 28 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&en7581_pinctrl {
+	gpio-ranges = <&en7581_pinctrl 0 13 47>;
+
+	mdio_pins: mdio-pins {
+		mux {
+			function = "mdio";
+			groups = "mdio";
+		};
+
+		conf {
+			pins = "gpio2";
+			output-high;
+		};
+	};
+
+	pcie0_rst_pins: pcie0-rst-pins {
+		conf {
+			pins = "pcie_reset0";
+			drive-open-drain = <1>;
+		};
+	};
+
+	pcie2_rst_pins: pcie2-rst-pins {
+		conf {
+			pins = "pcie_reset2";
+			drive-open-drain = <1>;
+		};
+	};
+
+	/* W1700K does not use the built-in LED controller. Instead, it uses GPIO.
+	 * The driver fails to probe without gswpX_led0_pins defined, so put a dummy
+	 * here.
+	 */
+
+	gswp1_led0_pins: gswp1-led0-pins {
+		mux {
+			function = "phy1_led0";
+			pins = "gpio33";
+		};
+	};
+
+	gswp2_led0_pins: gswp2-led0-pins {
+		mux {
+			function = "phy2_led0";
+			pins = "gpio34";
+		};
+	};
+
+	uart2_pins: uart2-pins {
+		mux {
+			function = "uart";
+			groups = "uart2";
+		};
+	};
+
+	hsuart_pins: hsuart-pins {
+		mux {
+			function = "uart";
+			groups = "hsuart";
+		};
+	};
+};
+
+&snfi {
+	status = "okay";
+};
+
+&spi_nand {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "vendor";
+			reg = <0x00000000 0x00600000>;
+			read-only;
+		};
+
+		partition@600000 {
+			label = "chainloader";
+			reg = <0x00600000 0x00100000>;
+			read-only;
+		};
+
+		partition@700000 {
+			label = "ubi";
+			reg = <0x00700000 0x1f700000>;
+			compatible = "linux,ubi";
+
+			volumes {
+				ubi-volume-ubootenv {
+					volname = "ubootenv";
+					nvmem-layout {
+						compatible = "u-boot,env-redundant-bool";
+					};
+				};
+
+				ubi-volume-ubootenv2 {
+					volname = "ubootenv2";
+					nvmem-layout {
+						compatible = "u-boot,env-redundant-bool";
+					};
+				};
+
+				ubi_rootfs: ubi-volume-fit {
+					volname = "fit";
+				};
+
+				ubi_factory: ubi-volume-factory {
+					volname = "factory";
+				};
+			};
+		};
+
+		/* reserved for bad block table */
+		reserved_bmt@1fe00000 {
+			label = "reserved_bmt";
+			reg = <0x1fe00000 0x00200000>;
+			read-only;
+		};
+	};
+};
+
+&ubi_factory {
+	nvmem-layout {
+		compatible = "fixed-layout";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		eeprom: eeprom@0 {
+			reg = <0x0 0x1e00>;
+		};
+
+		wan_mac: macaddr@5000 {
+			reg = <0x5000 0x6>;
+		};
+
+		lan_mac: macaddr@6000 {
+			compatible = "mac-base";
+			reg = <0x6000 0x6>;
+			#nvmem-cell-cells = <1>;
+		};
+	};
+};
+
+&i2c0 {
+	status = "okay";
+
+	hwmon@2e {
+		compatible = "nuvoton,nct7802";
+		reg = <0x2e>;
+	};
+};
+
+&pcie0 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_rst_pins>;
+	pcie@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		device_type = "pci";
+		#address-cells = <3>;
+		#size-cells = <2>;
+
+		mt7996@0,0 {
+			reg = <0x0000 0 0 0 0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			nvmem-cells = <&eeprom>;
+			nvmem-cell-names = "eeprom";
+			airoha,npu = <&npu>;
+			airoha,eth = <&eth>;
+
+			band@0 {
+				/* 2.4 GHz */
+				reg = <0>;
+				nvmem-cells = <&lan_mac 1>;
+				nvmem-cell-names = "mac-address";
+			};
+
+			band@1 {
+				/* 5 GHz */
+				reg = <1>;
+				nvmem-cells = <&lan_mac 2>;
+				nvmem-cell-names = "mac-address";
+			};
+
+			band@2 {
+				/* 6 GHz */
+				reg = <2>;
+				nvmem-cells = <&lan_mac 3>;
+				nvmem-cell-names = "mac-address";
+			};
+		};
+	};
+};
+
+&pcie2 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_rst_pins>;
+};
+
+&npu {
+	firmware-name = "airoha/en7581_MT7996_npu_rv32.bin",
+		"airoha/en7581_MT7996_npu_data.bin";
+	status = "okay";
+};
+
+&eth {
+	status = "okay";
+};
+
+&gdm1 {
+	status = "okay";
+
+	nvmem-cells = <&lan_mac 0>;
+	nvmem-cell-names = "mac-address";
+};
+
+&gdm2 {
+	status = "okay";
+
+	phy-handle = <&phy8>;
+	phy-mode = "usxgmii";
+
+	nvmem-cells = <&wan_mac 0>;
+	nvmem-cell-names = "mac-address";
+	openwrt,netdev-name = "wan";
+};
+
+&gdm4 {
+	status = "okay";
+
+	phy-handle = <&phy5>;
+	phy-mode = "usxgmii";
+
+	nvmem-cells = <&lan_mac 0>;
+	nvmem-cell-names = "mac-address";
+	openwrt,netdev-name = "lan2";
+};
+
+&switch {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&mdio_pins>;
+
+	mdio {
+		phy5: ethernet-phy@5 {
+			compatible = "ethernet-phy-ieee802.3-c45";
+			reg = <5>;
+			reset-gpios = <&en7581_pinctrl 46 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <40000>;
+			reset-deassert-us = <150000>;
+			interrupt-parent = <&en7581_pinctrl>;
+			interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
+			realtek,pnswap-tx;
+			realtek,pnswap-rx;
+		};
+
+		phy8: ethernet-phy@8 {
+			compatible = "ethernet-phy-ieee802.3-c45";
+			reg = <8>;
+			reset-gpios = <&en7581_pinctrl 31 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <40000>;
+			reset-deassert-us = <150000>;
+			interrupt-parent = <&en7581_pinctrl>;
+			interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+			realtek,pnswap-tx;
+			realtek,pnswap-rx;
+		};
+	};
+};
+
+&gsw_phy1 {
+	status = "okay";
+	pinctrl-names = "gbe-led";
+	pinctrl-0 = <&gswp1_led0_pins>;
+};
+
+&gsw_port1 {
+	status = "okay";
+	label = "lan3";
+};
+
+&gsw_phy2 {
+	status = "okay";
+	pinctrl-names = "gbe-led";
+	pinctrl-0 = <&gswp2_led0_pins>;
+};
+
+&gsw_port2 {
+	status = "okay";
+	label = "lan4";
+};
+
+&uart2 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+};
+
+&hsuart3 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&hsuart_pins>;
+};
diff --git a/target/linux/airoha/image/an7581.mk b/target/linux/airoha/image/an7581.mk
index 35bfd09a50..e52eff03a9 100644
--- a/target/linux/airoha/image/an7581.mk
+++ b/target/linux/airoha/image/an7581.mk
@@ -69,3 +69,38 @@ define Device/airoha_an7581-evb-emmc
   ARTIFACTS := preloader.bin bl31-uboot.fip
 endef
 TARGET_DEVICES += airoha_an7581-evb-emmc
+
+define Device/gemtek_w1700k-ubi
+  DEVICE_VENDOR := Gemtek
+  DEVICE_MODEL := W1700K
+  DEVICE_VARIANT := UBI
+  DEVICE_ALT0_VENDOR := CenturyLink
+  DEVICE_ALT0_MODEL := W1700K
+  DEVICE_ALT0_VARIANT := UBI
+  DEVICE_ALT1_VENDOR := Lumen
+  DEVICE_ALT1_MODEL := W1700K
+  DEVICE_ALT1_VARIANT := UBI
+  DEVICE_ALT2_VENDOR := Quantum Fiber
+  DEVICE_ALT2_MODEL := W1700K
+  DEVICE_ALT2_VARIANT := UBI
+  DEVICE_DTS := an7581-w1700k-ubi
+  DEVICE_PACKAGES := airoha-en7581-mt7996-npu-firmware \
+		    fitblk kmod-i2c-an7581 kmod-hwmon-nct7802 \
+		    kmod-mt7996-firmware kmod-phy-rtl8261n \
+		    wpad-basic-mbedtls
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  UBOOTENV_IN_UBI := 1
+  KERNEL_IN_UBI := 1
+  KERNEL := kernel-bin | gzip
+  KERNEL_INITRAMFS := kernel-bin | lzma | \
+	fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd | pad-to 128k
+  KERNEL_INITRAMFS_SUFFIX := -recovery.itb
+  IMAGES := sysupgrade.itb
+  IMAGE/sysupgrade.itb := append-kernel | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb external-static-with-rootfs | append-metadata
+  ARTIFACTS := chainload-uboot.itb
+  ARTIFACT/chainload-uboot.itb := an7581-chainloader gemtek_w1700k
+  SOC := an7581
+endef
+TARGET_DEVICES += gemtek_w1700k-ubi