diff --git a/core/hdd/src/wlan_hdd_cfg80211.c b/core/hdd/src/wlan_hdd_cfg80211.c
index 3050d1c501ef..c92f38370ebd 100644
--- a/core/hdd/src/wlan_hdd_cfg80211.c
+++ b/core/hdd/src/wlan_hdd_cfg80211.c
@@ -23245,6 +23245,10 @@ __wlan_hdd_cfg80211_set_ap_channel_width(struct wiphy *wiphy,
 		return -EINVAL;
 	}
 
+	if (chandef->width > NL80211_CHAN_WIDTH_40) {
+		hdd_err_rl("invalid chan width %d", chandef->width);
+		return -EINVAL;
+	}
 	if (wlan_hdd_validate_vdev_id(adapter->vdev_id))
 		return -EINVAL;