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

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

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N`)
- **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 available:** No
- **Published:** 17 Mar 2026
- **Updated:** 14 Aug 2026
- **Also known as:** GHSA-mgcj-3w53-qpg2

## 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 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-32840?

It affects 1 product.


Products: 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.

## Is CVE-2026-32840 being exploited?

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

## Other vulnerabilities in Edimax GS-5008PL

- [CVE-2026-32841](https://insights.sbomify.com/CVE-2026-32841/): Edimax GS-5008PL <= 1.00.54 Global Authentication State Across All Clients (critical 9.2)
- [CVE-2026-32838](https://insights.sbomify.com/CVE-2026-32838/): Edimax GS-5008PL <= 1.00.54 Transmits Credentials Over Cleartext HTTP (high 8.7)
- [CVE-2026-32842](https://insights.sbomify.com/CVE-2026-32842/): Edimax GS-5008PL <= 1.00.54 Admin Credentials Stored in Cleartext (high 7.1)
- [CVE-2026-32839](https://insights.sbomify.com/CVE-2026-32839/): Edimax GS-5008PL <= 1.00.54 CSRF via Management CGI Endpoints (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-32840 and fix it if it is affected.

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

Affected product: Edimax GS-5008PL. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-32840/ (Markdown: https://insights.sbomify.com/CVE-2026-32840/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-32840
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-32840
- OSV: https://osv.dev/vulnerability/CVE-2026-32840

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-32840/
Summaries are generated and may contain mistakes; the official description above is the record.