diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 71365ea..d58daae 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -20059,6 +20059,12 @@
             buf = nla_data(tb[WLAN_HDD_TM_ATTR_DATA]);
             buf_len = nla_len(tb[WLAN_HDD_TM_ATTR_DATA]);
 
+            if (buf_len > sizeof(*hb_params)) {
+                hddLog(LOGE, FL("buf_len=%d exceeded hb_params size limit"),
+                       buf_len);
+                return -ERANGE;
+            }
+
             hb_params_temp =(tSirLPHBReq *)buf;
             if ((hb_params_temp->cmd == LPHB_SET_TCP_PARAMS_INDID) &&
                 (hb_params_temp->params.lphbTcpParamReq.timePeriodSec == 0))