diff --git a/moonraker/components/authorization.py b/moonraker/components/authorization.py
index 7a52e43..73090ba 100644
--- a/moonraker/components/authorization.py
+++ b/moonraker/components/authorization.py
@@ -182,6 +182,7 @@ class Authorization:
         self.trusted_ips: List[IPAddr] = []
         self.trusted_ranges: List[IPNetwork] = []
         self.trusted_domains: List[str] = []
+        self.trusted_mqtt_clients: List[str] = [] # MQTT client id
         for val in config.getlist('trusted_clients', []):
             # Check IP address
             try:
@@ -719,6 +720,22 @@ class Authorization:
             return self.users[API_USER]
         raise self.server.error("Invalid API Key", 401)
 
+    def validate_mqtt(self, uuid: str, data: Dict) -> bool:
+        username: str = data.get("username")
+        password: str = data.get("password")
+        if username != SUPER_USER:
+            return False
+        user_info = self.users[username]
+        salt = bytes.fromhex(user_info.salt)
+        hashed_pass = hashlib.pbkdf2_hmac(
+            'sha256', password.encode(), salt, HASH_ITER).hex()
+        if (valid := hashed_pass == user_info.password):
+            self.trusted_mqtt_clients.append(uuid)
+        return valid
+
+    def check_mqtt(self, uuid: str) -> bool:
+        return uuid in self.trusted_mqtt_clients
+
     def _load_private_key(self, secret: str) -> Signer:
         try:
             key = Signer(bytes.fromhex(secret))
diff --git a/moonraker/components/mqtt.py b/moonraker/components/mqtt.py
index 2d3c0e4..0ae87c4 100644
--- a/moonraker/components/mqtt.py
+++ b/moonraker/components/mqtt.py
@@ -43,8 +43,10 @@ if TYPE_CHECKING:
     from ..eventloop import FlexTimer
     from .klippy_apis import KlippyAPI
     from .machine import Machine
+    from .authorization import Authorization
     FlexCallback = Callable[[bytes], Optional[Coroutine]]
     RPCCallback = Callable[..., Coroutine]
+    AuthComp = Optional[Authorization]
 
 PAHO_MQTT_VERSION = tuple([int(p) for p in paho.mqtt.__version__.split(".")])
 DUP_API_REQ_CODE = -10000
@@ -844,23 +846,33 @@ class MQTTClient(APITransport):
             response = request.copy()
             if msgVer == 3: # msg version is 3 or 3.0
                 msgIMEI = request.get("imei")
+                msgUUID = request.get("uuid")
                 msgCmd = request.get("cmd")
                 msgData = request.get("data")
                 response["data"] = ""
 
                 if msgIMEI == self.client_id:
-                    if msgCmd == 'API':
-                        rpc: JsonRPC = self.server.lookup_component("jsonrpc")
-                        result = await rpc.dispatch(jsonw.dumps(msgData), self)
-                        response["data"] = jsonw.loads(result)
-                    elif msgCmd == 'SDP':
-                        webrtc_bridge = self.server.lookup_component("webrtc_bridge", None)
-                        if webrtc_bridge:
-                            response["data"] = await webrtc_bridge.handle_sdp(msgData, topic)
+                    auth: AuthComp = self.server.lookup_component('authorization', None)
+                    if auth is None or auth.check_mqtt(msgUUID) or msgCmd == 'PWD':
+                        if msgCmd == 'PWD':
+                            if auth is not None:
+                                response['data'] = 'OK' if auth.validate_mqtt(msgUUID, msgData) else 'INCORRECT'
+                            else:
+                                response['data'] = 'IGNORE'
+                        elif msgCmd == 'API':
+                            rpc: JsonRPC = self.server.lookup_component("jsonrpc")
+                            result = await rpc.dispatch(jsonw.dumps(msgData), self)
+                            response["data"] = jsonw.loads(result)
+                        elif msgCmd == 'SDP':
+                            webrtc_bridge = self.server.lookup_component("webrtc_bridge", None)
+                            if webrtc_bridge:
+                                response["data"] = await webrtc_bridge.handle_sdp(msgData, topic)
+                            else:
+                                response["data"] = {"type": "error", "message": "WebRTC Bridge component not available"}
                         else:
-                            response["data"] = {"type": "error", "message": "WebRTC Bridge component not available"}
+                            response["data"] = f"error: Unknown MQTT message cmd: {msgCmd}"
                     else:
-                        response["data"] = f"error: Unknown MQTT message cmd: {msgCmd}"
+                        response['data'] = f"error: MQTT UserID [{msgUUID}] needs authentication"
                 else:
                     response["data"] = f"error: MQTT client_id [{msgIMEI}] does not match"
             else: