ZTE MF920 (SFR Box 4G) — Change WiFi coverage via curl (short/medium/long_mode) Bypasses disabled UI, uses goform API with AD token authentication.

zte-mf920-wifi-coverage-curl.sh

#!/bin/bash

# ZTE MF920 — SET WiFi Coverage (fully automatic)

# Usage: ./wifi_range.sh [short_mode|medium_mode|long_mode]

ROUTER="http://192.168.0.1"

MODE=${1:-"long_mode"}

echo "=== [1] Login ==="

STOK=$(curl -s -D - -X POST "$ROUTER/goform/goform_set_cmd_process" \

  -H "Referer: $ROUTER/index.html" \

  -H "Content-Type: application/x-www-form-urlencoded" \

  -d "goformId=LOGIN&password=YWRtaW4=" \

  | grep "Set-Cookie" | grep -o "stok=[^;]*" | cut -d= -f2)

if [ -z "$STOK" ]; then

  echo "ERREUR: Login échoué"

  exit 1

fi

echo "STOK=$STOK"

echo ""

echo "=== [2] Récupère RD0/RD1 (versions firmware) ==="

VERS=$(curl -s -H "Cookie: stok=$STOK" \

  -H "Referer: $ROUTER/index.html" \

  "$ROUTER/goform/goform_get_cmd_process?cmd=wa_inner_version%2Ccr_version&multi_data=1")

echo "VERS=$VERS"

RD0=$(echo "$VERS" | grep -o '"wa_inner_version":"[^"]*"' | cut -d'"' -f4)

RD1=$(echo "$VERS" | grep -o '"cr_version":"[^"]*"' | cut -d'"' -f4)

echo "RD0=$RD0"

echo "RD1=$RD1"

echo ""

echo "=== [3] Récupère RD (nonce) ==="

RD=$(curl -s -H "Cookie: stok=$STOK" \

  -H "Referer: $ROUTER/index.html" \

  "$ROUTER/goform/goform_get_cmd_process?cmd=RD" \

  | grep -o '"RD":"[^"]*"' | cut -d'"' -f4)

echo "RD=$RD"

echo ""

echo "=== [4] Calcule AD ==="

A=$(echo -n "${RD0}${RD1}" | md5sum | cut -d' ' -f1)

AD=$(echo -n "${A}${RD}" | md5sum | cut -d' ' -f1)

echo "A=$A"

echo "AD=$AD"

echo ""

echo "=== [5] GET wifi_coverage actuel ==="

CURRENT=$(curl -s -H "Cookie: stok=$STOK" \

  -H "Referer: $ROUTER/index.html" \

  "$ROUTER/goform/goform_get_cmd_process?cmd=wifi_coverage&multi_data=1")

echo "Actuel: $CURRENT"

echo ""

echo "=== [6] SET wifi_coverage=$MODE ==="

RESULT=$(curl -s -X POST \

  -H "Cookie: stok=$STOK" \

  -H "Referer: $ROUTER/index.html" \

  -H "Content-Type: application/x-www-form-urlencoded" \

  "$ROUTER/goform/goform_set_cmd_process" \

  -d "goformId=SET_WIFI_COVERAGE&wifi_coverage=$MODE&AD=$AD")

echo "Résultat SET: $RESULT"

echo ""

echo "=== [7] Vérifie après SET ==="

sleep 1

NEW=$(curl -s -H "Cookie: stok=$STOK" \

  -H "Referer: $ROUTER/index.html" \

  "$ROUTER/goform/goform_get_cmd_process?cmd=wifi_coverage&multi_data=1")

echo "Nouveau: $NEW"

echo ""

echo "=== DONE ==="