From a3abdbfef2b9396e567ced2f257501f919af4117 Mon Sep 17 00:00:00 2001
From: Stephan Hadinger <stephan.hadinger@gmail.com>
Date: Sat, 11 Apr 2020 19:01:39 +0200
Subject: [PATCH] Ensure zb_channel is in 11..26 range

---
 tasmota/xdrv_23_zigbee_9_impl.ino | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tasmota/xdrv_23_zigbee_9_impl.ino b/tasmota/xdrv_23_zigbee_9_impl.ino
index 845babc2d..86c63eb5b 100644
--- a/tasmota/xdrv_23_zigbee_9_impl.ino
+++ b/tasmota/xdrv_23_zigbee_9_impl.ino
@@ -1044,6 +1044,8 @@ void CmndZbConfig(void) {
     // Channel
     const JsonVariant &val_channel = getCaseInsensitive(json, PSTR("Channel"));
     if (nullptr != &val_channel) { zb_channel = strToUInt(val_channel); }
+    if (zb_channel < 11) { zb_channel = 11; }
+    if (zb_channel > 26) { zb_channel = 26; }
     // PanID
     const JsonVariant &val_pan_id = getCaseInsensitive(json, PSTR("PanID"));
     if (nullptr != &val_pan_id) { zb_pan_id = strToUInt(val_pan_id); }