diff --git a/scripts/extract-firmware-from-zyxel-nwa-fit.sh b/scripts/extract-firmware-from-zyxel-nwa-fit.sh
new file mode 100755
index 0000000..12a8cd2
--- /dev/null
+++ b/scripts/extract-firmware-from-zyxel-nwa-fit.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p ubootTools
+
+usage() {
+	echo "extract the firmware part to write it manually from a Zyxel NWA FIT image"
+	echo "$0 <zyxel_nwa_fit_image_path> <firmware_output_file>"
+}
+
+ZYXEL_NWA_FIT="$1"
+FIRMWARE_OUTPUT="$2"
+
+dumpimage -T flat_dt -p 0 $ZYXEL_NWA_FIT -o $FIRMWARE_OUTPUT