diff --git a/stack/avrc/avrc_pars_tg.cc b/stack/avrc/avrc_pars_tg.cc
index fe1db3d..f2396b4 100644
--- a/stack/avrc/avrc_pars_tg.cc
+++ b/stack/avrc/avrc_pars_tg.cc
@@ -71,6 +71,8 @@
       break;
     }
     case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */
+      if (len < 5) return AVRC_STS_INTERNAL_ERR;
+
       BE_STREAM_TO_UINT8(p_result->reg_notif.event_id, p);
       BE_STREAM_TO_UINT32(p_result->reg_notif.param, p);
       break;