NETGEAR is aware of an Internet connectivity issue affecting some older cable products manufactured 5 or more years ago. This connectivity issue was not present prior to November 2023 and should not affect your device if you use Xfinity, Cox, or Spectrum as your cable Internet service provider (ISP). However, if you use one of the products listed on the following table and it suddenly stopped working in November 2023, your device might be affected.
Table of affected products:
| Model | Serial Number First 3 Alphanumeric |
Serial Number 5th Digit |
| C3000 | 3KW | 4, 5, 6, 7 |
| C3700 | 3KX | 4, 5, 6, 7 |
| CM400 | 3U4, 496, 4F4 | 4, 5, 6, 7 |
| C6300 | 4NH | 4, 5, 6, 7 |
| N450 (CG3000Dv2) |
2E2, 3PH | 3, 4, 5, 6, 7 |
| C6250 | 4BJ | 4, 5, 6, 7 |
| C6300v2 | 5GT | 4, 5, 6, 7 |
| C6900 | 4VM | 4, 5, 6, 7 |
| C7000 | 4BE | 4, 5, 6, 7 |
| C7000v2 | 4TU, 6JT | 4, 5, 6, 7 |
| C7100V | 4VP, 64R | 4, 5, 6, 7 |
| C7500 | 53M | 4, 5, 6, 7 |
| C7800 | 4KY, 5YV | 4, 5, 6, 7 |
| CM500 | 48L | 4, 5, 6, 7 |
| CM500V | 56B | 4, 5, 6, 7 |
| CM600 | 4DF, 62K | 4, 5, 6, 7 |
| CM700 | 4SY | 4, 5, 6, 7 |
| CM1000 | 4L0 | 4, 5, 6, 7 |
| CMD31T | 3PS | 4, 5, 6, 7 |
How to use the table above to tell if your product is affected:
- Check to see if your product’s model number is on the table. If it is not present, your product is not affected by this issue.
If your cable provider is Xfinity, Cox, or Spectrum, your product is not affected by this issue.
- Check to see if the first three alphanumeric characters of your product’s serial number match those listed.
- Check to see if the 5th digit of your product’s serial number matches one of the digits listed.
If the first three alphanumeric characters and 5th digit match those listed for your product number, your product is affected by this issue.
Examples:
C6900 – Serial Number: 4VM28… Not Affected
C7800 – Serial Number: 3KM07… Not Affected
CM700 – Serial Number: 4SY26… Affected
If you need help finding your NETGEAR cable product's serial number, see How do I find my NETGEAR home product’s serial number?
My device could be affected. What can I do?
Call NETGEAR Support at 1-888-638-4327 with your device's information. We will evaluate your situation to confirm whether your device is affected and discuss your options.