diff --git a/esphome/components/esp32_ble_server/ble_server.cpp b/esphome/components/esp32_ble_server/ble_server.cpp
index 198c13596e..03ce2d38f5 100644
--- a/esphome/components/esp32_ble_server/ble_server.cpp
+++ b/esphome/components/esp32_ble_server/ble_server.cpp
@@ -112,7 +112,7 @@ bool BLEServer::create_device_characteristics_() {
   if (this->model_.has_value()) {
     BLECharacteristic *model =
         this->device_information_service_->create_characteristic(MODEL_UUID, BLECharacteristic::PROPERTY_READ);
-    model->set_value(ByteBuffer::wrap(this->model_.value()));
+    model->set_value(ByteBuffer::wrap(std::vector<uint8_t>(this->model_.value().begin(), this->model_.value().end())));
   } else {
     BLECharacteristic *model =
         this->device_information_service_->create_characteristic(MODEL_UUID, BLECharacteristic::PROPERTY_READ);
@@ -125,7 +125,7 @@ bool BLEServer::create_device_characteristics_() {
 
   BLECharacteristic *manufacturer =
       this->device_information_service_->create_characteristic(MANUFACTURER_UUID, BLECharacteristic::PROPERTY_READ);
-  manufacturer->set_value(ByteBuffer::wrap(this->manufacturer_));
+  manufacturer->set_value(ByteBuffer::wrap(std::vector<uint8_t>(this->manufacturer_.begin(), this->manufacturer_.end())));
 
   return true;
 }
diff --git a/esphome/core/bytebuffer.cpp b/esphome/core/bytebuffer.cpp
index dc6f423140..7164d62f4e 100644
--- a/esphome/core/bytebuffer.cpp
+++ b/esphome/core/bytebuffer.cpp
@@ -27,36 +27,42 @@ ByteBuffer ByteBuffer::wrap(std::vector<uint8_t> data, Endian endianness) {
 ByteBuffer ByteBuffer::wrap(uint8_t value) {
   ByteBuffer buffer = ByteBuffer::create(1);
   buffer.put_uint8(value);
+  buffer.flip();
   return buffer;
 }
 
 ByteBuffer ByteBuffer::wrap(uint16_t value, Endian endianness) {
   ByteBuffer buffer = ByteBuffer::create(2, endianness);
   buffer.put_uint16(value);
+  buffer.flip();
   return buffer;
 }
 
 ByteBuffer ByteBuffer::wrap(uint32_t value, Endian endianness) {
   ByteBuffer buffer = ByteBuffer::create(4, endianness);
   buffer.put_uint32(value);
+  buffer.flip();
   return buffer;
 }
 
 ByteBuffer ByteBuffer::wrap(uint64_t value, Endian endianness) {
   ByteBuffer buffer = ByteBuffer::create(8, endianness);
   buffer.put_uint64(value);
+  buffer.flip();
   return buffer;
 }
 
 ByteBuffer ByteBuffer::wrap(float value, Endian endianness) {
   ByteBuffer buffer = ByteBuffer::create(sizeof(float), endianness);
   buffer.put_float(value);
+  buffer.flip();
   return buffer;
 }
 
 ByteBuffer ByteBuffer::wrap(double value, Endian endianness) {
   ByteBuffer buffer = ByteBuffer::create(sizeof(double), endianness);
   buffer.put_double(value);
+  buffer.flip();
   return buffer;
 }