diff --git a/homeassistant/components/wemo/wemo_device.py b/homeassistant/components/wemo/wemo_device.py
index b7138cb0a94..267ea84e308 100644
--- a/homeassistant/components/wemo/wemo_device.py
+++ b/homeassistant/components/wemo/wemo_device.py
@@ -16,7 +16,10 @@ from homeassistant.const import (
     CONF_UNIQUE_ID,
 )
 from homeassistant.core import HomeAssistant, callback
-from homeassistant.helpers.device_registry import async_get as async_get_device_registry
+from homeassistant.helpers.device_registry import (
+    CONNECTION_UPNP,
+    async_get as async_get_device_registry,
+)
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
@@ -123,10 +126,12 @@ class DeviceCoordinator(DataUpdateCoordinator):
 
 def _device_info(wemo: WeMoDevice) -> DeviceInfo:
     return DeviceInfo(
+        connections={(CONNECTION_UPNP, wemo.udn)},
         identifiers={(DOMAIN, wemo.serialnumber)},
         manufacturer="Belkin",
         model=wemo.model_name,
         name=wemo.name,
+        sw_version=wemo.firmware_version,
     )
 
 
diff --git a/tests/components/wemo/conftest.py b/tests/components/wemo/conftest.py
index 13ec0cb2337..cf974f523a8 100644
--- a/tests/components/wemo/conftest.py
+++ b/tests/components/wemo/conftest.py
@@ -14,6 +14,7 @@ MOCK_HOST = "127.0.0.1"
 MOCK_PORT = 50000
 MOCK_NAME = "WemoDeviceName"
 MOCK_SERIAL_NUMBER = "WemoSerialNumber"
+MOCK_FIRMWARE_VERSION = "WeMo_WW_2.00.XXXXX.PVT-OWRT"
 
 
 @pytest.fixture(name="pywemo_model")
@@ -58,6 +59,8 @@ def pywemo_device_fixture(pywemo_registry, pywemo_model):
     device.name = MOCK_NAME
     device.serialnumber = MOCK_SERIAL_NUMBER
     device.model_name = pywemo_model.replace("LongPress", "")
+    device.udn = f"uuid:{device.model_name}-1_0-{device.serialnumber}"
+    device.firmware_version = MOCK_FIRMWARE_VERSION
     device.get_state.return_value = 0  # Default to Off
     device.supports_long_press.return_value = cls.supports_long_press()
 
diff --git a/tests/components/wemo/test_init.py b/tests/components/wemo/test_init.py
index f34e9bd0471..6cd415792b5 100644
--- a/tests/components/wemo/test_init.py
+++ b/tests/components/wemo/test_init.py
@@ -10,7 +10,13 @@ from homeassistant.helpers import entity_registry as er
 from homeassistant.setup import async_setup_component
 from homeassistant.util import dt
 
-from .conftest import MOCK_HOST, MOCK_NAME, MOCK_PORT, MOCK_SERIAL_NUMBER
+from .conftest import (
+    MOCK_FIRMWARE_VERSION,
+    MOCK_HOST,
+    MOCK_NAME,
+    MOCK_PORT,
+    MOCK_SERIAL_NUMBER,
+)
 
 from tests.common import async_fire_time_changed
 
@@ -109,6 +115,8 @@ async def test_discovery(hass, pywemo_registry):
         device.name = f"{MOCK_NAME}_{counter}"
         device.serialnumber = f"{MOCK_SERIAL_NUMBER}_{counter}"
         device.model_name = "Motion"
+        device.udn = f"uuid:{device.model_name}-1_0-{device.serialnumber}"
+        device.firmware_version = MOCK_FIRMWARE_VERSION
         device.get_state.return_value = 0  # Default to Off
         device.supports_long_press.return_value = False
         return device
diff --git a/tests/components/wemo/test_wemo_device.py b/tests/components/wemo/test_wemo_device.py
index 9ef9e6b5685..9bd3367aeee 100644
--- a/tests/components/wemo/test_wemo_device.py
+++ b/tests/components/wemo/test_wemo_device.py
@@ -17,7 +17,7 @@ from homeassistant.helpers.update_coordinator import UpdateFailed
 from homeassistant.setup import async_setup_component
 from homeassistant.util.dt import utcnow
 
-from .conftest import MOCK_HOST
+from .conftest import MOCK_FIRMWARE_VERSION, MOCK_HOST, MOCK_SERIAL_NUMBER
 
 from tests.common import async_fire_time_changed
 
@@ -154,6 +154,20 @@ async def test_async_update_data_subscribed(
     pywemo_device.get_state.assert_not_called()
 
 
+async def test_device_info(hass, wemo_entity):
+    """Verify the DeviceInfo data is set properly."""
+    dr = device_registry.async_get(hass)
+    device_entries = list(dr.devices.values())
+
+    assert len(device_entries) == 1
+    assert device_entries[0].connections == {
+        ("upnp", f"uuid:LightSwitch-1_0-{MOCK_SERIAL_NUMBER}")
+    }
+    assert device_entries[0].manufacturer == "Belkin"
+    assert device_entries[0].model == "LightSwitch"
+    assert device_entries[0].sw_version == MOCK_FIRMWARE_VERSION
+
+
 class TestInsight:
     """Tests specific to the WeMo Insight device."""