CVE-2021-33425: Openwrt

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability was discovered in the Web Interface for OpenWRT LuCI version 19.07 which allows attackers to inject arbitrary Javascript in the OpenWRT Hostname via the Hostname Change operation.

Affected products

• Openwrt Openwrt: version 19.07.0 only

Published 2021-05-25. Last modified 2026-07-09.