CVE-2018-17021: ASUS Gt-AC5300 Firmware

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability on ASUS GT-AC5300 devices with firmware through 3.0.0.4.384_32738 allows remote attackers to inject arbitrary web script or HTML via the appGet.cgi hook parameter.

Affected products

• ASUS Gt-AC5300 Firmware: up to and including 3.0.0.4.384_32738

Published 2018-09-13. Last modified 2026-06-17.