diff --git a/homeassistant/components/huawei_lte/__init__.py b/homeassistant/components/huawei_lte/__init__.py
index 62d7ade1a0c..56b7c5023f5 100644
--- a/homeassistant/components/huawei_lte/__init__.py
+++ b/homeassistant/components/huawei_lte/__init__.py
@@ -57,6 +57,7 @@ from .const import (
     ATTR_CONFIG_ENTRY_ID,
     CONF_MANUFACTURER,
     CONF_UNAUTHENTICATED_MODE,
+    CONF_UPNP_UDN,
     CONNECTION_TIMEOUT,
     DEFAULT_DEVICE_NAME,
     DEFAULT_MANUFACTURER,
@@ -147,9 +148,12 @@ class Router:
     @property
     def device_connections(self) -> set[tuple[str, str]]:
         """Get router connections for device registry."""
-        return {
+        connections = {
             (dr.CONNECTION_NETWORK_MAC, x) for x in self.config_entry.data[CONF_MAC]
         }
+        if udn := self.config_entry.data.get(CONF_UPNP_UDN):
+            connections.add((dr.CONNECTION_UPNP, udn))
+        return connections
 
     def _get_data(self, key: str, func: Callable[[], Any]) -> None:
         if not self.subscriptions.get(key):
diff --git a/homeassistant/components/huawei_lte/config_flow.py b/homeassistant/components/huawei_lte/config_flow.py
index f574441afed..002f19bc9e0 100644
--- a/homeassistant/components/huawei_lte/config_flow.py
+++ b/homeassistant/components/huawei_lte/config_flow.py
@@ -51,6 +51,7 @@ from .const import (
     CONF_MANUFACTURER,
     CONF_TRACK_WIRED_CLIENTS,
     CONF_UNAUTHENTICATED_MODE,
+    CONF_UPNP_UDN,
     CONNECTION_TIMEOUT,
     DEFAULT_DEVICE_NAME,
     DEFAULT_NOTIFY_SERVICE_NAME,
@@ -69,6 +70,7 @@ class HuaweiLteConfigFlow(ConfigFlow, domain=DOMAIN):
     VERSION = 3
 
     manufacturer: str | None = None
+    upnp_udn: str | None = None
     url: str | None = None
 
     @staticmethod
@@ -250,6 +252,7 @@ class HuaweiLteConfigFlow(ConfigFlow, domain=DOMAIN):
             {
                 CONF_MAC: get_device_macs(info, wlan_settings),
                 CONF_MANUFACTURER: self.manufacturer,
+                CONF_UPNP_UDN: self.upnp_udn,
             }
         )
 
@@ -284,11 +287,12 @@ class HuaweiLteConfigFlow(ConfigFlow, domain=DOMAIN):
             # url_normalize only returns None if passed None, and we don't do that
             assert url is not None
 
-        unique_id = discovery_info.upnp.get(
-            ATTR_UPNP_SERIAL, discovery_info.upnp[ATTR_UPNP_UDN]
-        )
+        upnp_udn = discovery_info.upnp.get(ATTR_UPNP_UDN)
+        unique_id = discovery_info.upnp.get(ATTR_UPNP_SERIAL, upnp_udn)
         await self.async_set_unique_id(unique_id)
-        self._abort_if_unique_id_configured(updates={CONF_URL: url})
+        self._abort_if_unique_id_configured(
+            updates={CONF_UPNP_UDN: upnp_udn, CONF_URL: url}
+        )
 
         def _is_supported_device() -> bool:
             """See if we are looking at a possibly supported device.
@@ -319,6 +323,7 @@ class HuaweiLteConfigFlow(ConfigFlow, domain=DOMAIN):
             }
         )
         self.manufacturer = discovery_info.upnp.get(ATTR_UPNP_MANUFACTURER)
+        self.upnp_udn = upnp_udn
         self.url = url
         return await self._async_show_user_form()
 
diff --git a/homeassistant/components/huawei_lte/const.py b/homeassistant/components/huawei_lte/const.py
index eaeb5579237..b7662200767 100644
--- a/homeassistant/components/huawei_lte/const.py
+++ b/homeassistant/components/huawei_lte/const.py
@@ -7,6 +7,7 @@ ATTR_CONFIG_ENTRY_ID = "config_entry_id"
 CONF_MANUFACTURER = "manufacturer"
 CONF_TRACK_WIRED_CLIENTS = "track_wired_clients"
 CONF_UNAUTHENTICATED_MODE = "unauthenticated_mode"
+CONF_UPNP_UDN = "upnp_udn"
 
 DEFAULT_DEVICE_NAME = "LTE"
 DEFAULT_MANUFACTURER = "Huawei Technologies Co., Ltd."
diff --git a/tests/components/huawei_lte/test_config_flow.py b/tests/components/huawei_lte/test_config_flow.py
index 5e018e73f2a..e40a3ca5a01 100644
--- a/tests/components/huawei_lte/test_config_flow.py
+++ b/tests/components/huawei_lte/test_config_flow.py
@@ -13,7 +13,11 @@ import requests_mock
 from requests_mock import ANY
 
 from homeassistant import config_entries
-from homeassistant.components.huawei_lte.const import CONF_UNAUTHENTICATED_MODE, DOMAIN
+from homeassistant.components.huawei_lte.const import (
+    CONF_UNAUTHENTICATED_MODE,
+    CONF_UPNP_UDN,
+    DOMAIN,
+)
 from homeassistant.const import (
     CONF_NAME,
     CONF_PASSWORD,
@@ -373,6 +377,7 @@ async def test_ssdp(
 
     assert result["type"] == FlowResultType.CREATE_ENTRY
     assert result["title"] == service_info.upnp[ATTR_UPNP_MODEL_NAME]
+    assert result["result"].data[CONF_UPNP_UDN] == service_info.upnp[ATTR_UPNP_UDN]
 
 
 @pytest.mark.parametrize(