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HIGHCVE-2026-21638Published Modified CNA hackerone

CVE-2026-21638: 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

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.

Metrics

CVSS v3.1
8.8
Severity
HIGH
Fixed in
1.2.3
Affected Products
3

Fix available

1.2.31.4.23.1.7
Affected packages
  • Ubiquiti Inc / UBB-XG
    < 1.2.3 (from 0)
  • Ubiquiti Inc / UDB-Pro/UDB-Pro-Sector
    < 1.4.2 (from 0)
  • Ubiquiti Inc / UBB
    < 3.1.7 (from 0)
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H