CVE-2018-12591: Ubnt Edgeswitch Firmware

High severity, CVSS 7.2. EPSS: 1.9% chance of exploitation in the next 30 days.

Ubiquiti Networks EdgeSwitch version 1.7.3 and prior suffer from an improperly neutralized element in an OS command due to lack of protection on the admin CLI, leading to code execution and privilege escalation greater than administrators themselves are allowed. An attacker with access to an admin account could escape the restricted CLI and execute arbitrary shell instructions.

Affected products

• Ubnt Edgeswitch Firmware: up to and including 1.7.3

Published 2018-06-20. Last modified 2026-06-17.