NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
Ace_Card
Sep 06, 2025Aspirant
CM2050V - Latest Firmware Preventing 2.5 Gbps Passthrough on Ethernet Port
Hello all, and specifically to the moderator, I'm reporting a potential firmware or hardware version defect where the native Ethernet port fails to pass through 2.5 Gbps speeds to the LAN, with f...
- Sep 17, 2025
Thank you all for your helpful input and suggestions!
I wanted to share that my issue is now resolved.
Initially, getting support from Netgear for my out-of-warranty modem was challenging, especially for what seemed like an "ISP-side firmware" issue. I couldn’t open a case via phone or chat without purchasing a support plan, which was frustrating. So, I turned to my ISP for help.
I connected with an upper tier technician who, despite initially pointing to the modem vendor (since it’s customer owned), worked with me to troubleshoot the issue. After another reset/refresh on their end, the ethernet port finally was able to deliver the 2.5 gig expected speed (1900 to 2100 Mbps).
FURRYe38
Sep 06, 2025Guru - Experienced User
Theres only one HW version of the CM modems.
What is the brand and model# of the host router connected to the CM modem?
What speed test app or site are you using to check speeds?