CVE-2026-21639
Ubiquiti · published 2026-01-08
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by HackerOne via the CVE Program.
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.
Filed by HackerOne; not a statement by Ubiquiti.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Ubiquiti Inc | airMAX AC | 0 – before 8.7.21: affected |
| Ubiquiti Inc | airMAX M | 0 – before 6.3.24: affected |
| Ubiquiti Inc | airFiber AF60-XG | 0 – before 1.2.3: affected |
| Ubiquiti Inc | airFiber AF60 | 0 – before 2.6.8: affected |
Products named in NVD's CPE match criteria (4)
cpe:2.3:o:ui:airmax_ac_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:ui:airmax_m_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:ui:airfiber_af60-xg_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:ui:airfiber_af60_firmware:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 8.8 HIGH — as published by HackerOne (Secondary)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1: 5.4 MEDIUM — as published by CISA-ADP (Secondary)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
Source dates: published 2026-01-08, last changed 2026-07-30. DeSpy's copy of this version is dated 2026-09-28.
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