diff --git a/components/bt/host/bluedroid/api/esp_hf_ag_api.c b/components/bt/host/bluedroid/api/esp_hf_ag_api.c
index 42878a4c7ab9..f17468dcc495 100644
--- a/components/bt/host/bluedroid/api/esp_hf_ag_api.c
+++ b/components/bt/host/bluedroid/api/esp_hf_ag_api.c
@@ -171,6 +171,9 @@ esp_err_t esp_hf_ag_volume_control(esp_bd_addr_t remote_addr, esp_hf_volume_cont
     if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
         return ESP_ERR_INVALID_STATE;
     }
+    if (volume < 0 || volume > 15) {
+        return ESP_ERR_INVALID_ARG;
+    }
     btc_msg_t msg;
     msg.sig = BTC_SIG_API_CALL;
     msg.pid = BTC_PID_HF;
@@ -237,6 +240,9 @@ esp_err_t esp_hf_ag_devices_status_indchange(esp_bd_addr_t remote_addr,
     if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
         return ESP_ERR_INVALID_STATE;
     }
+    if (signal < 0 || signal > 5) {
+        return ESP_ERR_INVALID_ARG;
+    }
     btc_msg_t msg;
     msg.sig = BTC_SIG_API_CALL;
     msg.pid = BTC_PID_HF;
@@ -285,6 +291,10 @@ esp_err_t esp_hf_ag_cind_response(esp_bd_addr_t remote_addr,
     if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
         return ESP_ERR_INVALID_STATE;
     }
+    if (signal < 0 || signal > 5 || batt_lev < 0 || batt_lev > 5) {
+        return ESP_ERR_INVALID_ARG;
+    }
+
     btc_msg_t msg;
     msg.sig = BTC_SIG_API_CALL;
     msg.pid = BTC_PID_HF;
@@ -363,7 +373,7 @@ esp_err_t esp_hf_ag_cnum_response(esp_bd_addr_t remote_addr, char *number, int n
     if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
         return ESP_ERR_INVALID_STATE;
     }
-    if (number == NULL) {
+    if (number == NULL || number_type < 128 || number_type > 175) {
         return ESP_ERR_INVALID_ARG;
     }
     btc_msg_t msg;
diff --git a/components/bt/host/bluedroid/api/include/api/esp_hf_ag_api.h b/components/bt/host/bluedroid/api/include/api/esp_hf_ag_api.h
index 4ce0096b09a1..8ed672f1b2a9 100644
--- a/components/bt/host/bluedroid/api/include/api/esp_hf_ag_api.h
+++ b/components/bt/host/bluedroid/api/include/api/esp_hf_ag_api.h
@@ -397,6 +397,7 @@ esp_err_t esp_hf_ag_vra_control(esp_bd_addr_t remote_bda, esp_hf_vr_state_t valu
  * @return
  *                  - ESP_OK: disconnect request is sent to lower layer
  *                  - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
+ *                  - ESP_ERR_INVALID_ARG: if arguments are invalid
  *                  - ESP_FAIL: others
  *
  */
@@ -448,6 +449,7 @@ esp_err_t esp_hf_ag_cmee_send(esp_bd_addr_t remote_bda, esp_hf_at_response_code_
  * @return
  *                  - ESP_OK: disconnect request is sent to lower layer
  *                  - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
+ *                  - ESP_ERR_INVALID_ARG: if arguments are invalid
  *                  - ESP_FAIL: others
  *
  */
@@ -490,6 +492,7 @@ esp_err_t esp_hf_ag_ciev_report(esp_bd_addr_t remote_addr, esp_hf_ciev_report_ty
  * @return
  *                  - ESP_OK: disconnect request is sent to lower layer
  *                  - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
+ *                  - ESP_ERR_INVALID_ARG: if the arguments are invalid
  *                  - ESP_FAIL: others
  *
  */
@@ -567,6 +570,7 @@ esp_err_t esp_hf_ag_cnum_response(esp_bd_addr_t remote_addr, char *number, int n
  * @return
  *                  - ESP_OK: disconnect request is sent to lower layer
  *                  - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
+ *                  - ESP_ERR_INVALID_ARG: if arguments are invalid
  *                  - ESP_FAIL: others
  *
  */