CVE-2026-9480: Edimax Ew-7438rpn

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was detected in Edimax EW-7438RPn 1.31. The impacted element is the function formrefresh of the file /goform/formrefresh. The manipulation of the argument submit-url results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Edimax Ew-7438rpn: version 1.31 only

Published 2026-05-25. Last modified 2026-07-23.