diff --git a/homeassistant/components/fritz/coordinator.py b/homeassistant/components/fritz/coordinator.py
index 9ca71298ddab..fba6f9d254d0 100644
--- a/homeassistant/components/fritz/coordinator.py
+++ b/homeassistant/components/fritz/coordinator.py
@@ -269,7 +269,11 @@ class FritzBoxTools(DataUpdateCoordinator[UpdateCoordinatorDataType]):
 
         if self.fritz_status.has_wan_support:
             self.device_conn_type = self.fritz_status.connection_service
-            self.device_is_router = self.fritz_status.has_wan_enabled
+            try:
+                self.device_is_router = self.fritz_status.has_wan_enabled
+            except FritzActionError:
+                LOGGER.debug("assume that device has no wan enabled", exc_info=True)
+                self.device_is_router = False
 
         self.has_call_deflections = "X_AVM-DE_OnTel1" in self.connection.services
 
diff --git a/tests/components/fritz/test_coordinator.py b/tests/components/fritz/test_coordinator.py
index d5f99b2f42c0..1e16a1e41c72 100644
--- a/tests/components/fritz/test_coordinator.py
+++ b/tests/components/fritz/test_coordinator.py
@@ -11,6 +11,7 @@ from fritzconnection.core.exceptions import (
     FritzConnectionException,
     FritzSecurityError,
 )
+from fritzconnection.lib.fritzstatus import FritzStatus
 from fritzconnection.lib.fritztools import ArgumentNamespace
 import pytest
 
@@ -257,6 +258,43 @@ async def test_async_get_wan_access_success(
     assert await fritz_tools._async_get_wan_access("192.168.1.2") is True
 
 
+async def test_setup_ignores_wan_enabled_action_error(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    caplog: pytest.LogCaptureFixture,
+    patch_fritzconnectioncached_globally: FritzConnectionMock,
+) -> None:
+    """Test WAN capability check falls back when the router reports a call error."""
+
+    mock_config_entry.add_to_hass(hass)
+    coordinator = FritzBoxTools(
+        hass=hass,
+        config_entry=mock_config_entry,
+        password=mock_config_entry.data["password"],
+        port=mock_config_entry.data["port"],
+    )
+    hass.data.setdefault(FRITZ_DATA_KEY, FritzData())
+
+    with (
+        patch.object(
+            FritzStatus,
+            "has_wan_enabled",
+            new_callable=PropertyMock,
+            side_effect=FritzActionError("401 Invalid Action."),
+        ),
+        patch.object(
+            FritzStatus,
+            "has_wan_support",
+            new_callable=PropertyMock,
+            return_value=True,
+        ),
+    ):
+        await coordinator.async_setup()
+
+    assert coordinator.device_is_router is False
+    assert "assume that device has no wan enabled" in caplog.text
+
+
 async def test_async_update_hosts_info_attributes_branches(
     fritz_tools,
 ) -> None: