# CVE-2026-7682: Edimax BR-6208AC L2TP Mode setWAN command injection

> Remote attackers can execute arbitrary commands on Edimax BR-6208AC routers via the L2TP username field when L2TP mode is enabled.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 May 2026
- **Updated:** 5 May 2026
- **Also known as:** GHSA-xpcr-x724-6923

## What is CVE-2026-7682?

CVE-2026-7682 is a medium-severity command injection vulnerability in Edimax BR-6208AC, published on 3 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A security flaw has been discovered in Edimax BR-6208AC 1.02. The impacted element is the function setWAN of the file /goform/setWAN of the component L2TP Mode. The manipulation of the argument L2TPUserName results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-7682?


## How do I fix CVE-2026-7682?

No fix has been published for CVE-2026-7682 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7682 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7682 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7682 and fix it if it is affected.

What it is: CVE-2026-7682 is a medium-severity command injection vulnerability in Edimax BR-6208AC, published on 3 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7682 exists.

Affected product: Edimax BR-6208AC. 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-2026-7682/ (Markdown: https://insights.sbomify.com/CVE-2026-7682/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7682
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7682
- OSV: https://osv.dev/vulnerability/CVE-2026-7682

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-7682/
Summaries are generated and may contain mistakes; the official description above is the record.