CVE-2026-32840 Edimax GS-5008PL <= 1.00.54 Stored XSS via Device Name

Medium 5.1 Published Updated

Attackers can inject malicious scripts into the device name field, which execute in administrators' browsers when viewing management pages.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-32840?

CVE-2026-32840 is a medium-severity cross-site scripting vulnerability in Edimax GS-5008PL, published on 17 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Edimax GS-5008PL firmware version 1.00.54 and prior contain a stored cross-site scripting vulnerability in the system_name_set.cgi script that allows attackers to inject arbitrary script code by manipulating the sysName parameter. Attackers can send a crafted POST request with malicious script payload that executes when management pages including system_data.js are viewed by administrators.

Weakness: CWE-79

Which versions are affected by CVE-2026-32840?

It affects 1 product.

Products include Edimax Gs-5008pl Firmware.

How do I fix CVE-2026-32840?

No fix has been published for CVE-2026-32840 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-32840 being exploited?

There is no known exploitation of CVE-2026-32840 in the wild and no public exploit code.

Sources

Also known as GHSA-mgcj-3w53-qpg2.

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