CVE-2026-21639 | Ubiquiti airMAX AC/airMAX M/airFiber AF60-XG/airFiber AF60 airMAX Wireless Protocol privilege escalation

January 8, 2026 Yanac

A vulnerability classified as critical was found in Ubiquiti airMAX AC, airMAX M, airFiber AF60-XG and airFiber AF60. This affects an unknown part of the component airMAX Wireless Protocol. Executing a manipulation can lead to privilege escalation.

The identification of this vulnerability is CVE-2026-21639. The attack may be launched remotely. There is no exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More