Visitor
•
5 Messages
Tesla inverter wireless connection
I have a newly installed Tesla solar panel inverter. Tesla says it cannot connect to a wireless network with WPA3 security. My home network on Xfi gateway, CGM4981COM, uses WPA3 security.
The inverter connection has to be WPA. How can I get it connected without reducing the security level of my entire home network?
flatlander3
Problem Solver
•
1.5K Messages
2 years ago
Can it do WPA2??
That's AES and still considered secure. If not, old skool WPA/TKIP is not secure and has been broken in 12-52 minutes.
(edited)
1
0
flatlander3
Problem Solver
•
1.5K Messages
2 years ago
Then you don't want it on the same subnet as your other gear. Likely, running old software with compromised libraries from other known exploits over a decade old.
Ideally, you'd buy something with maintained software. I'm also not sure I'd want something like a power inverter exposed to the world in the first place. What's the use case for it? Are you trying to access it from a local-only location, or a remote location?
1
0
EG
Expert
•
110K Messages
2 years ago
@FlashJ
Not sure if this still works. YMMV. They constantly change things, remove features and functions, and cripple the firmware.... Good luck !
SECURITY MODE >>>>>>> To change the Comcast router security level to WPA2 /AES you can follow these steps:
1. Connect to your WiFi network and go to http://10.0.0.1, and sign in.
Note: If you haven't changed it, the default username is admin and the default password is password.
2. Once logged in, you can go to Gateway > Connection > Wi-Fi.
3. To change your Security Mode, select Edit next to Security Mode, then select your WPA2 mode.
4. Once your desired option is selected, hit Save Settings.
https://www.xfinity.com/support/articles/change-wifi-security-mode
Please post back about how it goes.
0
0
FlashJ
Visitor
•
5 Messages
2 years ago
Finally, talked to a Tesla customer service rep with experience and brains! There is a backup in the inverter using cellular, Tesla is getting the production info. She checked the mapping and fixed the issue with their app, so it now shows all production data since the new install. Their inverter still can't communicate with a system using WPA3, which is absurd, but now it's their problem. I definitely did not want to reduce security level of my network.
Thanks to Flatlander 3 and EG for your responses.
(edited)
0
0
EG
Expert
•
110K Messages
2 years ago
@FlashJ
You're welcome ! But were you able to change the security mode anymore ?
1
0
flatlander3
Problem Solver
•
1.5K Messages
2 years ago
@FlashJ Wow. Well OK. Thank you for getting back to us. Few do.
I'd still be super uncomfortable about an inverter talking to anyone. If it's possible to jack with something like output A/C frequencies, you can actually brown out and over-current whatever is hooked up to it, overheat it, fry your stuff, and potentially burn your house down.
Everyone is one zero day away from a data breach and a hijacked network. Something to watch for when you buy product. If there's a phone app or connection to someone else that must be used, you don't want it.
0
0
EG
Expert
•
110K Messages
2 years ago
@FlashJ OK thanks anyway !
0
0