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.


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.
Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
hackeroneCNA
8.8 HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
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