CAX80 can't upload 5GHZ

I wanted to keep this thread alive because I bought a Hardware version 1.00 back in 2021 and it was bricked last summer along with many of you (Xfinity & Netgear problem).  Netgear sent me a hardware version 1.01 replacement in August 2022.

Now, I am having this 5GHz upload issue too. Since August I was also confused why craigslist and nextdoor sale photos would not upload, google photos uploads were sluggish... All these same issues. Today I was trying to use MS Teams and sure enough, file upload over 1MB? Nope...

I checked my CAX80 admin page and the logs? Empty of any errors or warnings.

I thought maybe the firewall/NAT filter was triggering. Nope.

Maybe 5GHz connection was unstable? Nope, the network is crowded but not on DFS channels 😉

Maybe it was just my phone? Nope, happens on my Macbook Pro (Intel), my wife's Macbook Air, my Pixel 6 Pro, and my custom Win11 desktop.

Was this issue happening before August 2022 when I had the hardware version 1.00? Nope, and if I was it was so subtle I didn't notice.

Is this a Xfinity / Netgear issue? It sure as heck sounds like it. It was a Xfinity modem-side firmware update that bricked my CAX80 last summer ('22). Now only Xfinity CAX80 customers are also having upload issues? *sus* Xfinity... They want us to be just annoyed enough to pay for their monthly rental modem but avoid government watchdog scrutiny. Can anyone access the data inside the modem-side firmware? I bet something is a 0 that should be a 1 but they don't care enough to fix it.

Could this possibly be a DFS issue? Have we all settled on blaming Xfinity? It seems to be the only constant.