diff --git a/docs/release-notes/version-2.10.md b/docs/release-notes/version-2.10.md
index 49f80d897..fccd86abd 100644
--- a/docs/release-notes/version-2.10.md
+++ b/docs/release-notes/version-2.10.md
@@ -5,6 +5,7 @@
 ### Bug Fixes
 
 * [#5716](https://github.com/netbox-community/netbox/issues/5716) - Fix filtering rack reservations by custom field
+* [#5718](https://github.com/netbox-community/netbox/issues/5718) - Fix bulk editing of services when no port(s) are defined
 
 ---
 
diff --git a/netbox/netbox/views/generic.py b/netbox/netbox/views/generic.py
index bd21d469c..216b50759 100644
--- a/netbox/netbox/views/generic.py
+++ b/netbox/netbox/views/generic.py
@@ -792,7 +792,7 @@ class BulkEditView(GetReturnURLMixin, ObjectPermissionRequiredMixin, View):
                                     if form.cleaned_data[name]:
                                         getattr(obj, name).set(form.cleaned_data[name])
                                 # Normal fields
-                                elif form.cleaned_data[name] not in (None, ''):
+                                elif form.cleaned_data[name] not in (None, '', []):
                                     setattr(obj, name, form.cleaned_data[name])
 
                             # Update custom fields
diff --git a/netbox/utilities/forms/widgets.py b/netbox/utilities/forms/widgets.py
index cd6fb0fbb..1c456c74c 100644
--- a/netbox/utilities/forms/widgets.py
+++ b/netbox/utilities/forms/widgets.py
@@ -114,7 +114,10 @@ class ContentTypeSelect(StaticSelect2):
 class NumericArrayField(SimpleArrayField):
 
     def to_python(self, value):
-        value = ','.join([str(n) for n in parse_numeric_range(value)])
+        if not value:
+            return []
+        if isinstance(value, str):
+            value = ','.join([str(n) for n in parse_numeric_range(value)])
         return super().to_python(value)