Ubiquiti Issues High-Severity Security Advisories for AirMAX and UniFi Products

Ubiquiti Networks (UI) issued two high-severity security advisories detailing critical Remote Code Execution (RCE) vulnerabilities, urging users to update firmware immediately to mitigate significant risks to network integrity.

• The vulnerabilities, identified as CVE-2026-21638 and CVE-2026-21639, carry a high CVSS v3.1 base score of 8.8.
• The flaws affect various airMAX wireless products and UniFi Building Bridge models.
• UI stock closed January 9 at $560.80, posting a gain of 2.11%.