CVE-2020-8234: UI Edgemax Firmware

Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days.

A vulnerability exists in The EdgeMax EdgeSwitch firmware <v1.9.1 where the EdgeSwitch legacy web interface SIDSSL cookie for admin can be guessed, enabling the attacker to obtain high privileges and get a root shell by a Command injection.

Affected products

• UI Edgemax Firmware: before 1.9.1 (fixed in 1.9.1)

Published 2020-08-21. Last modified 2026-06-17.