NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
CAX80 keeps rebooting
For the past 3 days my CAX80 has been rebooting every 4 to 5 hours. I’ve tried connecting the power source directly to an outlet and that didn’t work. I did a factory reset and that also didn’t work. ...
Would NOT be a FW issue if your getting DOS attacked. You'll need to discuss this with your ISP.
Do a who is look up on WAN IP addresses to see where they are coming from.
If your seeing locked channels not working well or downlink issues on the modem. This is a ISP signal line issue. ISP needs to check this.
All this seem to be a recent problem that has appeared for some. v.7 has been out for a while now.
kinghq1 wrote:
FURRYe38 I'm going to have to disagree about the Auto reboot on any signal issue. Every other month my Downlink light starts to blink and I see multiple links that are not locked and the Router has never rebooted automatically.
In looking at my log, I see that the initial Firmware update was initiated Nov 2021
As you can see, there are no DoS attacks before this. However, I DO see DoS attacks starting shortly afterwards:
AND the IP Address is NOT a DoS Attack, not sure why the Router labels it as such. When I do an IP Lookup it reports:
AND I show my IP Address as the one listed as the Source of the DoS attack. SO those who posted about the DoS attack, look at the IP and determine if it is YOUR IP from your ISP. But this still points back to an issue with Firmware .7 since the DoS attacks didn't start logging until AFTER .7 was updated to the Router. Either way, the issue is almost definitely with the firmware.
SO again, HOW can we stop the Router Firmware from being auto updated? AND why did it start on or about 11 Jun 22, why not way back in Nov. when the update was pushed . . .
Seems like firmware version .7 is incorrectly labelling DOS attacks. Unsure if this has anything to do with the router reboots. It could just be two separate unrelated issues.
When I was on firmware version .7. I saw many DOS attacks and the router was rebooting throughout the day.
After downgrading to .5 I have seen zero DOS attacks and the router has stopped rebooting.
FURRYe38 there is clearly an issue with firmware version .7
Something to report to NG support then. https://my.netgear.com/support/contact.aspx
Again this seem to have just appeared for some and some of us have not seen this. This maybe particular to some ISPs as well.
I've had my CAX80 loaded with v.7 since day one over 3 months ago and been working as expected. I just removed it a couple of weeks ago and now using a CM2000.
Otherwise use what works.
olympos1625 per your previous question. Several people on this thread have confirmed the issue resolves when downgrading to firmware version 2.1.3.5. BUT the router auto-updates to 2.1.3.7 within 24 hours, so that is not a long term fix.
Can we please get an update from Netgear? I tried opening a support ticket and got no response. I tried calling the support line and just got stuck on hold for 1 hour.
Next step will be to form a class action lawsuit with my lawyers for loss of earning caused by the disconnects during work calls.
Hi Guys, Good day! Welcome to NETGEAR Community! We are sorry to hear about your experience with the latest firmware update. Does anyone able to isolate the issue by downgrading the firmware? Please do not hesitate to let me know if you need further assistance. Regards, Oliver Community TeamI downgraded my firmware on my CAX80 and Comcast decided at 2:15am to automatically update the firmware without my permission. As a customer we should have the right to choose what we do with it. How did I pay an extreme amount of money for something that's worthless to me right about now. You claim to save money on modem rentals, at this point I want to rent a modem, so I wouldn't have to deal with poor company practices. Do you even test the firmware before release??? I can't even speak to someone without paying money for tech support. And its the problem you caused. Yea, I'm heading down to Comcast first thing in the morning and renting a modem now. I could care less for wifi 6. You have truly wasted my time and money trouble shooting this DOS LAND ATTACK CRASH. I hope there is a class action lawsuit on NG. No wonder why the Arlo Camera team left you guys. I will be switching everything over to Cisco business from here on out. I will reach out to all the YouTubers and give them feedback on how NG won't do anything about this firmware problem. Just like what Linus Tech did to NEWEGG.COM
I can also report that running firmware v2.1.3.5 on my CAX80 stops the DoS Attacks messages in the log. The router runs fine on .v2.1.3.5 until Netgear pushes v2.1.3.7 overnight. No ISP signal issues... my Internet speeds are better than what the ISP provisioned them for. From that point on the DoS Attacks messages return. Netgear needs to provide a firmware that fixes the DoS Attacks issue + gives the user an option to opt out of automatic firmware updates or stop the Netgear firmware server from pushing the v2.1.3.7 update as it is broken. (Netgear can put firmware v2.1.3.7 on their firmware download page for those that want to update to it)
Something to report to NG support. https://my.netgear.com/support/contact.aspx
- Please ignore my message about “A router firmware upgrade is available”. After a reboot, it’s gone now.
I was able to force the Cable Connection to a starting frequency of 405MHz. It took a couple tries: the first time the first channel still latched to 507MHz for some reason. We’ll see if that helps. PS: after you hit Apply, you get 404 Page Not Found, but the change did go through. How did you do this?
Omnitron wrote:
Please ignore my message about “A router firmware upgrade is available”. After a reboot, it’s gone now.
I was able to force the Cable Connection to a starting frequency of 405MHz. It took a couple tries: the first time the first channel still latched to 507MHz for some reason. We’ll see if that helps. PS: after you hit Apply, you get 404 Page Not Found, but the change did go through.My CAX80 connected to Spectrum and running .7 still rebooting every morning at ~3.00am (8:30am current time) - C'mon Netgear do something!
UPDATE: my brand new CAX80 updated to firmware version 2.1.3.7 overnight. The reboots started shortly after. Purchasing a new CAX80 does not solve the issue. THIS IS A FIRMWARE ISSUE.
olympos1625 I found you and your manager on LinkedIn. I will be reporting you to your manager for ignoring this thread unless we receive a response from you before EOD Monday 20th June.
Is there something preventing NG hardware owners from blocking the auto-update server? Maybe blocking the port number it is utilizing? Also the NG C7800 started having this exact same issue at the same time the CAX80 got its .7 update. It has gotten so bad that my C7800 finally burned itself out after thousands of reboots caused by fake DoS attacks. Which of course forces me to use up my 4 year warranty more than a full year before my warranty would have expired.
Hi @Gentleman1013,
Thank you for reaching out. We are sorry to hear about your experience with the modem. We would like to endorse you to NETGEAR Level 2 support team for a callback. Please DM us the following information:
Name:
Email:
Phone:
Preferred schedule (at least 2 days ahead)
Timezone:
Device S/N:
Alternatively, if you wish to be contacted via email only then kindly include your preferred email address.
I am looking forward to your response.
Regards,
Oliver
Community Team
I've already made an insurance claim on the cable gateway at this point as I've been dealing with this issue for years and finally had enough.
Hi @Gentleman1013,
We are really sorry again for the inconvenience this has caused you. Rest assured that your feedback will help us improve our product and services in the future. We hope we can still regain your trust.
Please do not hesitate to let me know if you need further assistance.Regards,
Oliver
Community Team
