diff --git a/drivers/net/wireless/st/cw1200/sta.c b/drivers/net/wireless/st/cw1200/sta.c
index 8ef1d06b9bbd..121d810c8839 100644
--- a/drivers/net/wireless/st/cw1200/sta.c
+++ b/drivers/net/wireless/st/cw1200/sta.c
@@ -1290,7 +1290,7 @@ static void cw1200_do_join(struct cw1200_common *priv)
 		rcu_read_lock();
 		ssidie = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
 		if (ssidie) {
-			join.ssid_len = ssidie[1];
+			join.ssid_len = min(ssidie[1], IEEE80211_MAX_SSID_LEN);
 			memcpy(join.ssid, &ssidie[2], join.ssid_len);
 		}
 		rcu_read_unlock();