# CVE-2026-100745: Edimax BR-6428nC Wireless Wizard formWizSurvey stack-based overflow

> Remote attackers can trigger a stack-based buffer overflow in the Wireless Wizard handler to execute arbitrary code on Edimax BR-6428nC routers.

- **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:** 27 Sep 2026
- **Updated:** 28 Sep 2026
- **Also known as:** GHSA-hwrh-7vqj-6wg5

## What is CVE-2026-100745?

CVE-2026-100745 is a medium-severity memory corruption vulnerability in Edimax BR-6428nC, published on 27 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in Edimax BR-6428nC 1.16. The impacted element is an unknown function of the file /goform/formWizSurvey of the component Wireless Wizard Handler. The manipulation of the argument interface1/interface2 leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Weakness: CWE-121 (Stack-based Buffer Overflow), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2026-100745?


## How do I fix CVE-2026-100745?

No fix has been published for CVE-2026-100745 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-100745 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100745 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-100745 and fix it if it is affected.

What it is: CVE-2026-100745 is a medium-severity memory corruption vulnerability in Edimax BR-6428nC, published on 27 Sep 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-2026-100745 exists.

Affected product: Edimax BR-6428nC. 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-2026-100745/ (Markdown: https://insights.sbomify.com/CVE-2026-100745/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-100745
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100745
- OSV: https://osv.dev/vulnerability/CVE-2026-100745

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-100745/
Summaries are generated and may contain mistakes; the official description above is the record.