# Zigbee routes gone after upgrade to v5 rc38

**URL:** <https://community.homey.app/t/zigbee-routes-gone-after-upgrade-to-v5-rc38/37428>\
**Category:** Questions & Help\
**Tags:** zigbee, tools\
**Created:** [November 15, 2020, 7:55pm UTC](https://community.homey.app/t/zigbee-routes-gone-after-upgrade-to-v5-rc38/37428 "2020-11-15T19:55:01Z")\
**Posts on this page:** 1\
**Showing post:** 23

<div class="post-metadata">

**Author:** ![Benny\_Ng](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/benny_ng/32/13293_2.png) [@Benny\_Ng](https://community.homey.app/u/Benny_Ng)\
**Post date:** [March 26, 2021, 5:41am UTC](https://community.homey.app/t/zigbee-routes-gone-after-upgrade-to-v5-rc38/37428/23 "2021-03-26T05:41:22Z")

</div>

I came across an interesting article why our zigbee network seems to go crazy after the 5.0.0 update. It’s due to a change in the network key that was in the current Zigbee devices. Hope this is useful for those interested.

[https://yougottahackthat.com/blog/1260/athom-homey-security-static-and-well-known-keys-cve-2020-28952](https://yougottahackthat.com/blog/1260/athom-homey-security-static-and-well-known-keys-cve-2020-28952)

Cheers,

---

_[View the full topic](https://community.homey.app/t/zigbee-routes-gone-after-upgrade-to-v5-rc38/37428)._