CVE-2026-21635 Missing authorization in UniFi Connect EV Station Lite
A malicious actor in Wi-Fi range can bypass access controls to use the WiFi AutoLink feature on Ethernet-adopted EV Station Lite devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21635?
CVE-2026-21635 is a medium-severity missing authorization vulnerability in Ubiquiti Inc UniFi Connect EV Station Lite, published on 5 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Improper Access Control could allow a malicious actor in Wi-Fi range to the EV Station Lite (v1.5.2 and earlier) to use WiFi AutoLink feature on a device that was only adopted via Ethernet.
Weakness: CWE-284
Which versions are affected by CVE-2026-21635?
It affects 1 product.
Products include Ui Unifi Connect Ev Station Lite Firmware.
How do I fix CVE-2026-21635?
No fix has been published for CVE-2026-21635 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-21635 being exploited?
There is no known exploitation of CVE-2026-21635 in the wild and no public exploit code.
Sources
Also known as GHSA-g45v-2mf6-hj9w.