mss110 power switch with firmware 7.3.19 requires user and key about meross HOT 4 CLOSED

The username and password reported by meross-info is the MQTT credentials. The username you are setting in meross-setup is only used in signing the message and communication with Meross cloud.

from meross.

OK, some more details of the issue using verbose logging option

Initial Attempt: No user or key
user@host bin % sudo ./meross-setup --verbose --gateway 10.10.10.1 --wifi-ssid '' --wifi-pass '<WIFI_PASS>' --mqtt mqtts://mqtt.local:8883
Setting up device with IP 10.10.10.1
│Primary MQTT broker │mqtt.local:8883 │
│Failover MQTT broker │mqtt.local:8883 │

POST /config
Host: 10.10.10.1
Accept: application/json, text/plain, /
Content-Type: application/json

{
header: {
from: '',
method: 'SET',
namespace: 'Appliance.Config.Key',
messageId: 'bc7d4be83a18449f4112e8ff7ddb85c0',
timestamp: 1695711098,
sign: '8bacc21ffe154410dadf9e6db34b1de8'
},
payload: {
key: {
userId: '0',
key: '',
gateway: {
host: 'mqtt.local',
port: '8883',
secondHost: 'mqtt.local',
secondPort: '8883',
redirect: 1
}
}
}
}

node:internal/errors:496
ErrorCaptureStackTrace(err);
^

TypeError [ERR_INVALID_ARG_TYPE]: The "url" argument must be of type string. Received undefined
at new NodeError (node:internal/errors:405:5)
at validateString (node:internal/validators:162:11)
at Url.parse (node:url:170:3)
at Object.urlParse [as parse] (node:url:141:13)
at new URL (/Users/alastair/Programming/openhab/Meross/lib/api.js:6:35)
at logRequest (/Users/alastair/Programming/openhab/Meross/lib/api.js:62:15)
at handleRequestError (/Users/alastair/Programming/openhab/Meross/lib/api.js:99:13)
at API.configureMqttServers (/Users/alastair/Programming/openhab/Meross/lib/api.js:341:13)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
at async /Users/alastair/Programming/openhab/Meross/bin/meross-setup:89:9 {
code: 'ERR_INVALID_ARG_TYPE'
}

Query Device for key and password
user@host bin % sudo ./meross-info -g 10.10.10.1
Getting info about device with IP 10.10.10.1
│Device │mss110 us rtl8710cm (hardware:7.0.0 firmware:7.3.19) │
│UUID │ │
│Mac address │<MAC_ADDRESS> │
│IP address │10.10.10.1 │
│Credentials │User: <MAC_ADDRESS> │
│ │Password: │
│MQTT topics │Publishes to: /appliance//publish │
│ │Subscribes to: /appliance//subscribe │

**Successful attempt using user and key (with code modification to remove conversion to int for user) **
user@host bin % sudo ./meross-setup --user '<MAC_ADDRESS>' --key '' --verbose --gateway 10.10.10.1 --wifi-ssid '' --wifi-pass '<WIFI_PASS>' --mqtt mqtts://mqtt.local:8883
Setting up device with IP 10.10.10.1
│Primary MQTT broker │mqtt.local:8883 │
│Failover MQTT broker │mqtt.local:8883 │

POST /config
Host: 10.10.10.1
Accept: application/json, text/plain, /
Content-Type: application/json

{
header: {
from: '',
method: 'SET',
namespace: 'Appliance.Config.Key',
messageId: 'a28b60639e297bc1f69c8af767fce2ce',
timestamp: 1695711279,
sign: '281b8f920e604f226668ddfa40d9e1ec'
},
payload: {
key: {
userId: '<MAC_ADDRESS>',
key: '',
gateway: {
host: 'mqtt.local',
port: '8883',
secondHost: 'mqtt.local',
secondPort: '8883',
redirect: 1
}
}
}
}

< 200 OK
< content-type: application/json
< connection: close
<
{
header: {
messageId: 'a28b60639e297bc1f69c8af767fce2ce',
namespace: 'Appliance.Config.Key',
method: 'SETACK',
payloadVersion: 1,
from: '/appliance//publish',
uuid: '',
timestamp: 32,
timestampMs: 898,
sign: '9b25af7524db47bd472446e416768c6a'
},
payload: {}
}

POST /config
Host: 10.10.10.1
Accept: application/json, text/plain, /
Content-Type: application/json

{
header: {
from: '',
method: 'GET',
namespace: 'Appliance.System.All',
messageId: '1737c7fa27afb3964a5ea1f4d24fd9c0',
timestamp: 1695711279,
sign: '894ba6fa214f54d179b093b3dfb7c077'
},
payload: {}
}

< 200 OK
< content-type: application/json
< connection: close
<
{
header: {
messageId: '1737c7fa27afb3964a5ea1f4d24fd9c0',
namespace: 'Appliance.System.All',
method: 'GETACK',
payloadVersion: 1,
from: '/appliance//publish',
uuid: '',
timestamp: 32,
timestampMs: 975,
sign: '6d1261848d88a0ffd79ea2387b636fa2'
},
payload: {
all: {
system: {
hardware: {
type: 'mss110',
subType: 'us',
version: '7.0.0',
chipType: 'rtl8710cm',
uuid: '',
macAddress: '<MAC_ADDRESS>'
},
firmware: {
version: '7.3.19',
homekitVersion: '6.3',
compileTime: '2023/06/02-16:58:57',
encrypt: 1,
wifiMac: '',
innerIp: '10.10.10.1',
server: 'mqtt.local',
port: 8883,
userId: 48
},
time: { timestamp: 32, timezone: '', timeRule: [] },
online: { status: 0, bindId: '', who: 0 }
},
digest: {
togglex: [ { channel: 0, onoff: 1, lmTime: 0 } ],
triggerx: [],
timerx: []
}
}
}
}

│Device │mss110 us rtl8710cm (hardware:7.0.0 firmware:7.3.19) │
│UUID │ │
│Mac address │<MAC_ADDRESS> │
│IP address │10.10.10.1 │
│Current MQTT broker │mqtt.local:8883 │
│Credentials │User: <MAC_ADDRESS> │
│ │Password: 48_cd55f6626f1146c799fbee3377cab427 │
│MQTT topics │Publishes to: /appliance//publish │
│ │Subscribes to: /appliance//subscribe │

POST /config
Host: 10.10.10.1
Accept: application/json, text/plain, /
Content-Type: application/json

{
header: {
from: '',
method: 'SET',
namespace: 'Appliance.Config.Wifi',
messageId: '9dd06cd2a64f4990ea11c872b2d076e9',
timestamp: 1695711280,
sign: '0067591d72122b9b549a5e9af2602bf9'
},
payload: {
wifi: { ssid: '', password: '' }
}
}

< 200 OK
< content-type: application/json
< connection: close
<
{
header: {
messageId: '9dd06cd2a64f4990ea11c872b2d076e9',
namespace: 'Appliance.Config.Wifi',
method: 'SETACK',
payloadVersion: 1,
from: '/appliance//publish',
uuid: '',
timestamp: 33,
timestampMs: 460,
sign: 'c82c8620f4443780167834e7f4082df1'
},
payload: {}
}

Device will reboot...

from meross.

Have you tried passing a user id that isn't 0. It's possible they have changed the firmware so that 0 is no longer valid.

from meross.

Closing due to inactivity

from meross.