CVE-2026-9480: Edimax EW-7438RPn formrefresh stack-based overflow

Published May 25, 2026

Updated

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 Software

1 affected component

Edimax EW-7438RPn=1.31

Event History

May 25, 2026

CVE Published

via MITRE·06:00 PM

Data Sourced

via MITRE·06:00 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2026-9480?

CVE-2026-9480 has a high severity rating of 8.8.

How do I fix CVE-2026-9480?

To fix CVE-2026-9480, apply the latest firmware update provided by Edimax for the EW-7438RPn.

What impact does CVE-2026-9480 have?

CVE-2026-9480 allows remote attackers to execute arbitrary code due to a stack-based buffer overflow.

What software is affected by CVE-2026-9480?

CVE-2026-9480 affects the Edimax EW-7438RPn version 1.31.

Can CVE-2026-9480 be exploited remotely?

Yes, CVE-2026-9480 can be exploited remotely by manipulating the submit-url argument.

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