CVE-2026-13563: Edimax Ew-7478apc

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

A vulnerability has been found in Edimax EW-7478APC 1.04. This impacts the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. Such manipulation of the argument L2TPUserName leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Edimax Ew-7478apc: version 1.04 only

Published 2026-06-29. Last modified 2026-06-29.