diff --git a/wpa_supplicant/hidl/1.0/sta_network.cpp b/wpa_supplicant/hidl/1.0/sta_network.cpp
index 72185b3..f471941 100644
--- a/wpa_supplicant/hidl/1.0/sta_network.cpp
+++ b/wpa_supplicant/hidl/1.0/sta_network.cpp
@@ -1519,7 +1519,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.data(),
+                ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1535,7 +1536,8 @@
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, kNetworkEapSimGsmAuthFailure)) {
+		wpa_s, wpa_ssid, rtype, kNetworkEapSimGsmAuthFailure,
+                strlen(kNetworkEapSimGsmAuthFailure))) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1568,7 +1570,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.data(),
+                ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1592,7 +1595,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.data(),
+                ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1608,7 +1612,8 @@
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, kNetworkEapSimUmtsAuthFailure)) {
+		wpa_s, wpa_ssid, rtype, kNetworkEapSimUmtsAuthFailure,
+                strlen(kNetworkEapSimUmtsAuthFailure))) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1623,7 +1628,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_EAP_IDENTITY;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype,  ctrl_rsp_param.data(),
+                ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
diff --git a/wpa_supplicant/hidl/1.1/sta_network.cpp b/wpa_supplicant/hidl/1.1/sta_network.cpp
index bfa9267..7af8f08 100644
--- a/wpa_supplicant/hidl/1.1/sta_network.cpp
+++ b/wpa_supplicant/hidl/1.1/sta_network.cpp
@@ -1519,7 +1519,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str(),
+		ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1535,7 +1536,8 @@
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, kNetworkEapSimGsmAuthFailure)) {
+		wpa_s, wpa_ssid, rtype, kNetworkEapSimGsmAuthFailure,
+		strlen(kNetworkEapSimGsmAuthFailure))) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1568,7 +1570,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str(),
+		ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1592,7 +1595,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str(),
+		ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1608,7 +1612,8 @@
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_SIM;
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, kNetworkEapSimUmtsAuthFailure)) {
+		wpa_s, wpa_ssid, rtype, kNetworkEapSimUmtsAuthFailure,
+		strlen(kNetworkEapSimUmtsAuthFailure))) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
@@ -1623,7 +1628,8 @@
 	enum wpa_ctrl_req_type rtype = WPA_CTRL_REQ_EAP_IDENTITY;
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (wpa_supplicant_ctrl_rsp_handle(
-		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str())) {
+		wpa_s, wpa_ssid, rtype, ctrl_rsp_param.c_str(),
+		ctrl_rsp_param.size())) {
 		return {SupplicantStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index f8e5bf7..498967b 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -6353,7 +6353,7 @@
 			      (const u8 *) value, os_strlen(value));
 
 	rtype = wpa_supplicant_ctrl_req_from_string(field);
-	return wpa_supplicant_ctrl_rsp_handle(wpa_s, ssid, rtype, value);
+	return wpa_supplicant_ctrl_rsp_handle(wpa_s, ssid, rtype, value, strlen(value));
 #else /* IEEE8021X_EAPOL */
 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included");
 	return -1;
@@ -6363,7 +6363,7 @@
 int wpa_supplicant_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
 				   struct wpa_ssid *ssid,
 				   enum wpa_ctrl_req_type rtype,
-				   const char *value)
+				   const char *value, int value_len)
 {
 #ifdef IEEE8021X_EAPOL
 	struct eap_peer_config *eap = &ssid->eap;
@@ -6371,8 +6371,8 @@
 	switch (rtype) {
 	case WPA_CTRL_REQ_EAP_IDENTITY:
 		os_free(eap->identity);
-		eap->identity = (u8 *) os_strdup(value);
-		eap->identity_len = os_strlen(value);
+		eap->identity = (u8 *) dup_binstr(value, value_len);
+		eap->identity_len = value_len;
 		eap->pending_req_identity = 0;
 		if (ssid == wpa_s->current_ssid)
 			wpa_s->reassociate = 1;
@@ -6380,7 +6380,7 @@
 	case WPA_CTRL_REQ_EAP_PASSWORD:
 		bin_clear_free(eap->password, eap->password_len);
 		eap->password = (u8 *) os_strdup(value);
-		eap->password_len = os_strlen(value);
+		eap->password_len = value_len;
 		eap->pending_req_password = 0;
 		if (ssid == wpa_s->current_ssid)
 			wpa_s->reassociate = 1;
@@ -6388,7 +6388,7 @@
 	case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
 		bin_clear_free(eap->new_password, eap->new_password_len);
 		eap->new_password = (u8 *) os_strdup(value);
-		eap->new_password_len = os_strlen(value);
+		eap->new_password_len = value_len;
 		eap->pending_req_new_password = 0;
 		if (ssid == wpa_s->current_ssid)
 			wpa_s->reassociate = 1;
@@ -6403,7 +6403,7 @@
 	case WPA_CTRL_REQ_EAP_OTP:
 		bin_clear_free(eap->otp, eap->otp_len);
 		eap->otp = (u8 *) os_strdup(value);
-		eap->otp_len = os_strlen(value);
+		eap->otp_len = value_len;
 		os_free(eap->pending_req_otp);
 		eap->pending_req_otp = NULL;
 		eap->pending_req_otp_len = 0;
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index d0172fa..acde7c5 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -1389,7 +1389,7 @@
 int wpa_supplicant_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
 				   struct wpa_ssid *ssid,
 				   enum wpa_ctrl_req_type rtype,
-				   const char *value);
+				   const char *value, int len);
 
 void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
 			  const struct wpa_ssid *ssid,