diff --git a/stack/bnep/bnep_utils.cc b/stack/bnep/bnep_utils.cc
index f2be411..872f4f5 100644
--- a/stack/bnep/bnep_utils.cc
+++ b/stack/bnep/bnep_utils.cc
@@ -832,7 +832,7 @@
       BNEP_TRACE_ERROR("%s: BNEP - bad ctl pkt type: %d", __func__,
                        control_type);
       bnep_send_command_not_understood(p_bcb, control_type);
-      if (is_ext) {
+      if (is_ext && (ext_len > 0)) {
         if (*rem_len < (ext_len - 1)) {
           goto bad_packet_length;
         }