CVE-2023-2373: UI Edgemax Edgerouter Firmware

High severity, CVSS 7.2. EPSS: 7.6% chance of exploitation in the next 30 days.

A vulnerability was identified in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This vulnerability affects unknown code of the component Web Management Interface. Such manipulation of the argument ecn-up leads to command injection. The attack may be performed from remote. The exploit is publicly available and might be used. The actual existence of this vulnerability is currently in question. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

Affected products

• UI Edgemax Edgerouter Firmware: before 2.0.9 (fixed in 2.0.9); version 2.0.9 only

Published 2023-04-28. Last modified 2026-07-09.