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OpenAdvisories
High · 8.8 CVE-2026-21638 EUVD-2026-1491GHSA-m92x-4jg5-v4px

A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote…

Published Jan 8, 2026 · Updated Feb 26, 2026 · Assigned by hackerone

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.

Affected Products:
UBB-XG (Version 1.2.2 and earlier)
UDB-Pro/UDB-Pro-Sector (Version 1.4.1 and earlier)
UBB (Version 3.1.5 and earlier)

Mitigation:
Update your UBB-XG to Version 1.2.3 or later.
Update your UDB-Pro/UDB-Pro-Sector to Version 1.4.2 or later.
Update your UBB to Version 3.1.7 or later.

Affected products

VendorProductAffectedFixed
Ubiquiti UBB-XG < 1.2.3 1.2.3
Ubiquiti UDB-Pro/UDB-Pro-Sector < 1.4.2 1.4.2
Ubiquiti UBB < 3.1.7 3.1.7

Advisories 1

References