diff --git a/homeassistant/components/abode/camera.py b/homeassistant/components/abode/camera.py
index d0f428a45fa..c4c2d0dc78d 100644
--- a/homeassistant/components/abode/camera.py
+++ b/homeassistant/components/abode/camera.py
@@ -74,7 +74,9 @@ class AbodeCamera(AbodeDevice, Camera):
         """Attempt to download the most recent capture."""
         if self._device.image_url:
             try:
-                self._response = requests.get(self._device.image_url, stream=True)
+                self._response = requests.get(
+                    self._device.image_url, stream=True, timeout=10
+                )
 
                 self._response.raise_for_status()
             except requests.HTTPError as err:
diff --git a/homeassistant/components/facebox/image_processing.py b/homeassistant/components/facebox/image_processing.py
index 21eb91a04a3..5584efb883a 100644
--- a/homeassistant/components/facebox/image_processing.py
+++ b/homeassistant/components/facebox/image_processing.py
@@ -68,7 +68,7 @@ def check_box_health(url, username, password):
     if username:
         kwargs["auth"] = requests.auth.HTTPBasicAuth(username, password)
     try:
-        response = requests.get(url, **kwargs)
+        response = requests.get(url, **kwargs, timeout=10)
         if response.status_code == HTTPStatus.UNAUTHORIZED:
             _LOGGER.error("AuthenticationError on %s", CLASSIFIER)
             return None
@@ -116,7 +116,9 @@ def post_image(url, image, username, password):
     if username:
         kwargs["auth"] = requests.auth.HTTPBasicAuth(username, password)
     try:
-        response = requests.post(url, json={"base64": encode_image(image)}, **kwargs)
+        response = requests.post(
+            url, json={"base64": encode_image(image)}, timeout=10, **kwargs
+        )
         if response.status_code == HTTPStatus.UNAUTHORIZED:
             _LOGGER.error("AuthenticationError on %s", CLASSIFIER)
             return None
@@ -137,6 +139,7 @@ def teach_file(url, name, file_path, username, password):
                 url,
                 data={FACEBOX_NAME: name, ATTR_ID: file_path},
                 files={"file": open_file},
+                timeout=10,
                 **kwargs,
             )
         if response.status_code == HTTPStatus.UNAUTHORIZED:
diff --git a/homeassistant/components/llamalab_automate/notify.py b/homeassistant/components/llamalab_automate/notify.py
index e2850792906..af0271e107d 100644
--- a/homeassistant/components/llamalab_automate/notify.py
+++ b/homeassistant/components/llamalab_automate/notify.py
@@ -66,6 +66,6 @@ class AutomateNotificationService(BaseNotificationService):
             "payload": message,
         }
 
-        response = requests.post(_RESOURCE, json=data)
+        response = requests.post(_RESOURCE, json=data, timeout=10)
         if response.status_code != HTTPStatus.OK:
             _LOGGER.error("Error sending message: %s", response)
diff --git a/homeassistant/components/nest/legacy/camera.py b/homeassistant/components/nest/legacy/camera.py
index 9974ae2daaa..affe912b6fb 100644
--- a/homeassistant/components/nest/legacy/camera.py
+++ b/homeassistant/components/nest/legacy/camera.py
@@ -142,7 +142,7 @@ class NestCamera(Camera):
             url = self.device.snapshot_url
 
             try:
-                response = requests.get(url)
+                response = requests.get(url, timeout=10)
             except requests.exceptions.RequestException as error:
                 _LOGGER.error("Error getting camera image: %s", error)
                 return None
diff --git a/homeassistant/components/opencv/image_processing.py b/homeassistant/components/opencv/image_processing.py
index cde5a8264b8..463b5e0eed1 100644
--- a/homeassistant/components/opencv/image_processing.py
+++ b/homeassistant/components/opencv/image_processing.py
@@ -87,7 +87,7 @@ def _create_processor_from_config(hass, camera_entity, config):
 def _get_default_classifier(dest_path):
     """Download the default OpenCV classifier."""
     _LOGGER.info("Downloading default classifier")
-    req = requests.get(CASCADE_URL, stream=True)
+    req = requests.get(CASCADE_URL, stream=True, timeout=10)
     with open(dest_path, "wb") as fil:
         for chunk in req.iter_content(chunk_size=1024):
             if chunk:  # filter out keep-alive new chunks
diff --git a/homeassistant/components/uk_transport/sensor.py b/homeassistant/components/uk_transport/sensor.py
index f3c7c5d84a0..28d0fd71142 100644
--- a/homeassistant/components/uk_transport/sensor.py
+++ b/homeassistant/components/uk_transport/sensor.py
@@ -134,7 +134,7 @@ class UkTransportSensor(SensorEntity):
             {"app_id": self._api_app_id, "app_key": self._api_app_key}, **params
         )
 
-        response = requests.get(self._url, params=request_params)
+        response = requests.get(self._url, params=request_params, timeout=10)
         if response.status_code != HTTPStatus.OK:
             _LOGGER.warning("Invalid response from API")
         elif "error" in response.json():
diff --git a/homeassistant/components/withings/common.py b/homeassistant/components/withings/common.py
index 93c3800e42f..11badca8d8c 100644
--- a/homeassistant/components/withings/common.py
+++ b/homeassistant/components/withings/common.py
@@ -503,6 +503,7 @@ class ConfigEntryWithingsApi(AbstractWithingsApi):
             f"{self.URL}/{path}",
             params=params,
             headers={"Authorization": f"Bearer {access_token}"},
+            timeout=10,
         )
         return response.json()