# cnWave System Release 1.5.1 has been released
**URL:** https://community.cambiumnetworks.com/t/cnwave-system-release-1-5-1-has-been-released/105322
**Category:** cnWave 60 GHz
**Tags:** release-notes
**Created:** [May 7, 2025, 3:59am UTC](https://community.cambiumnetworks.com/t/cnwave-system-release-1-5-1-has-been-released/105322 "2025-05-07T03:59:58Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Kiran\_Avva](https://community.cambiumnetworks.com/u/Kiran_Avva)
#### Post date: [May 7, 2025, 3:59am UTC](https://community.cambiumnetworks.com/t/cnwave-system-release-1-5-1-has-been-released/105322/1 "2025-05-07T03:59:58Z")
**cnWave 60GHz System Release 1.5.1** has been released. Find the firmware and full release notes at [Cambium Networks Support](https://support.cambiumnetworks.com/files/60ghz-cnwave/)
> 👉 cnMaestro version 5.2.0 (or higher) is compatible with this release
> 👉 Upgrade the External E2E controller first and then the nodes (where External E2E is used)
> 👉 When using onboard controller, its recommended to upgrade the whole mesh together.
This release has no new features.
### Problems corrected in System Release 1.5.1
| **Tracking number** | **Product** | **Description** |
| --- | --- | --- |
| 60 GHz cnWave-4340 | V1000 | Improved the time required to start an IPv4 ping after clicking the **Quick PTP** button. |
| 60 GHz cnWave-4303 | All | Closed the TCP ports (6969 and 6881) on the Onboard E2E Controller and the External E2E Controller. These ports were used for image upgrade in previous releases. |
| 60 GHz cnWave-4363 | V1000, V3000,and V5000 | The link to CN did not come up when the PoP rebooted with the pop\_interface cable plugged out (unplugged). |
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### Author:  [@system](https://community.cambiumnetworks.com/u/system)
#### Post date: [August 5, 2025, 4:00am UTC](https://community.cambiumnetworks.com/t/cnwave-system-release-1-5-1-has-been-released/105322/2 "2025-08-05T04:00:56Z")
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