HomeUiCVE-2026-21638

CVE-2026-21638

HIGH
8.8CVSS
Published: 2026-01-08
Updated: 2026-01-14
AI Analysis

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.

CVSS Metrics

Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
adjacent network
Complexity
low
Privileges
none
User Action
none
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-77

Metadata

Primary Vendor
UI
Published
1/8/2026
Last Modified
1/14/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

ui : ubb-xg_firmwareui : udb-pro_firmwareui : udb-pro-sector_firmwareui : ubb_firmware

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CVE-CVE-2026-21638 | HIGH Severity | CVEDatabase.com | CVEDatabase.com