Cambium Networks Outage History

Type: Incident Duration: 3 hours and 2 minutes Affected Components: CBRS Partner - Google Apr 9, 11:43:32 GMT+0 - Monitoring - Error rates have dropped and devices are back online. We are continuing to monitor before full resolution. Apr 9, 10:05:45 GMT+0 - Identified - We are seeing some recovery of devices and continue to monitor. Impacted devices entered the CPAS window and have been unable to obtain new grant approvals, leaving all CBSDs in an unauthorized/idle state with no active spectrum grants. We are waiting for details from Google on why the termination was triggered. Apr 9, 09:17:30 GMT+0 - Investigating - Customers on the Google CBRS SAS service may be experiencing intermittent outages with logs shoing multiple grant request retries. We are working with Google to investigate. Apr 9, 12:19:25 GMT+0 - Resolved -

Type: Incident Duration: 40 minutes Affected Components: , cnMaestro → Nov 12, 15:45:00 GMT+0 - Identified - At around 15:36Z some clusters began to lose access to the AWS cloudfront CDN, causing delays in page load times and occasionally timeouts. Nov 12, 16:25:00 GMT+0 - Resolved - This incident has been resolved. Between 15:36Z and 16:20Z the web interface of cnMaestro will have been slow and in cases unavailable for users in some US locations. Cambium has a fix under test and expect to roll this out to production for cnMaestro version 5.2.5 (due December 2025)

Type: Incident Duration: 3 hours and 34 minutes Affected Components: Qualcomm AFC Jun 16, 15:18:04 GMT+0 - Investigating - Qualcom have reported that they are experiencing some service degradation due to recent upgrades. We continue to monitor and await status updates from the team at Qualcom. Jun 16, 18:52:15 GMT+0 - Resolved - This incident has been resolved.

Type: Incident Duration: 2 hours and 21 minutes Affected Components: XMS Admin UI, Device Status and Collection, EasyPass Guest Access Mar 6, 13:30:00 GMT+0 - Identified - Following a routine maintenance window, the application has become unstable. We have identified the issue and we are continuing to work on a fix. Mar 6, 15:36:52 GMT+0 - Monitoring - Failed components have been replaced, and we expect service to resume within the hour. We apologise for the inconvenience. Mar 6, 15:50:56 GMT+0 - Resolved - The failed components have been replaced and service has been restored. Monitoring continues and no anomalies have been seen.

Type: Incident Affected Components: , cnMaestro → Dec 4, 00:57:23 GMT+0 - Resolved - Services have been restored and are operational and we are continuing to monitor. Customers are experiencing intermittent failures in cnMaestro that may include blank UI pages or issues onboarding devices. The problems are limited to Cambium IDs accessing the system through the URL that starts with "us-e1-s28-...". We are investigating the cause.

Type: Incident Duration: 18 hours and 33 minutes Affected Components: XMS Admin UI, Device Status and Collection, EasyPass Guest Access Nov 3, 23:45:44 GMT+0 - Investigating - Some customers are experiencing freezing when navigating around the XMS-C Web UI. We are currently investigating this incident. Nov 4, 18:18:42 GMT+0 - Resolved - This incident has resolved. The root cause is still under investigation.

Type: Incident Affected Components: EasyPass Guest Access Aug 28, 18:27:07 GMT+0 - Resolved - We updated the infrastructure to resolve the immediate issue. We are still monitoring overall performance.