diff --git a/wlantest/rx_tdls.c b/wlantest/rx_tdls.c
index d9247c1..f059e8d 100644
--- a/wlantest/rx_tdls.c
+++ b/wlantest/rx_tdls.c
@@ -142,7 +142,8 @@
 	struct rsn_ftie *tmp_ftie;
 
 	if (elems->link_id == NULL || elems->rsn_ie == NULL ||
-	    elems->timeout_int == NULL || elems->ftie == NULL)
+	    elems->timeout_int == NULL || elems->ftie == NULL ||
+	    elems->ftie_len < sizeof(struct rsn_ftie))
 		return -1;
 
 	len = 2 * ETH_ALEN + 1 + 2 + 18 + 2 + elems->rsn_ie_len +
@@ -488,7 +489,8 @@
 	const struct rsn_ftie *rx_ftie;
 	struct rsn_ftie *tmp_ftie;
 
-	if (elems->link_id == NULL || elems->ftie == NULL)
+	if (elems->link_id == NULL || elems->ftie == NULL ||
+	    elems->ftie_len < sizeof(struct rsn_ftie))
 		return -1;
 
 	len = 2 + 18 + 2 + 1 + 1 + 2 + elems->ftie_len;