CVE-2026-21639

HighCVSS 8.8/10Last modified Jul 30, 2026

Description

A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120 CWE-77

Affected software

Vendor	Product	Versions
Ubiquiti Inc	airMAX AC	< 8.7.21
Ubiquiti Inc	airMAX M	< 6.3.24
Ubiquiti Inc	airFiber AF60-XG	< 1.2.3
Ubiquiti Inc	airFiber AF60	< 2.6.8

References

https://community.ui.com/releases/Security-Advisory-Bulletin-061-061/1e4fe5f8-29c7-4a7d-a518-01b1537983baVendor Advisory

Timeline

Published: Jan 8, 2026
Last modified: Jul 30, 2026
NVD status: Modified

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