Remote Code Execution Vulnerability in airMAX Products by Ubiquiti
CVE-2026-21639

5.4MEDIUM

Key Information:

Vendor

Ubiquiti Inc

Status
Airmax Ac
Airmax M
Airfiber Af60-xg
Airfiber Af60
Vendor
CVE Published:
8 January 2026

What is CVE-2026-21639?

A vulnerability exists in Ubiquiti's airMAX Wireless Protocol, which can be exploited by a malicious actor within Wi-Fi range to achieve remote code execution on affected devices. This poses a significant risk as attackers could gain unauthorized access to network resources and potentially execute harmful payloads. Users of affected airMAX products should prioritize updating their devices to the latest versions to safeguard against potential exploitation.

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Affected Version(s)

airFiber AF60 0 < 2.6.8

airFiber AF60-XG 0 < 1.2.3

airMAX AC 0 < 8.7.21

References

https://community.ui.com/releases/Security-Advisory-Bulle...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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