Fix data update when guest client disappears in Fritz!Tools (#65564)

Co-authored-by: Simone Chemelli <simone.chemelli@gmail.com>

homeassistant/components/fritz/common.py

@@ -220,8 +220,8 @@ class FritzBoxTools(update_coordinator.DataUpdateCoordinator):
         """Update FritzboxTools data."""
         try:
             await self.async_scan_devices()
-        except (FritzSecurityError, FritzConnectionException) as ex:
-            raise update_coordinator.UpdateFailed from ex
+        except FRITZ_EXCEPTIONS as ex:
+            raise update_coordinator.UpdateFailed(ex) from ex
 
     @property
     def unique_id(self) -> str:
@@ -294,11 +294,19 @@ class FritzBoxTools(update_coordinator.DataUpdateCoordinator):
 
     def _get_wan_access(self, ip_address: str) -> bool | None:
         """Get WAN access rule for given IP address."""
-        return not self.connection.call_action(
-            "X_AVM-DE_HostFilter:1",
-            "GetWANAccessByIP",
-            NewIPv4Address=ip_address,
-        ).get("NewDisallow")
+        try:
+            return not self.connection.call_action(
+                "X_AVM-DE_HostFilter:1",
+                "GetWANAccessByIP",
+                NewIPv4Address=ip_address,
+            ).get("NewDisallow")
+        except FRITZ_EXCEPTIONS as ex:
+            _LOGGER.debug(
+                "could not get WAN access rule for client device with IP '%s', error: %s",
+                ip_address,
+                ex,
+            )
+            return None
 
     async def async_scan_devices(self, now: datetime | None = None) -> None:
         """Wrap up FritzboxTools class scan."""