CVE-2008-1243: Linksys WRT300N

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability on the Linksys WRT300N router with firmware 2.00.20, when Mozilla Firefox or Apple Safari is used, allows remote attackers to inject arbitrary web script or HTML via the dyndns_domain parameter to the default URI.

Affected products

• Linksys WRT300N: any version

Published 2008-03-10. Last modified 2026-06-16.