# CVE-2026-100745: Edimax BR-6428nC stack buffer overflow in Wireless Wizard Handler

Source: https://junglewise.ai/threats/cve-2026-100745-a-vulnerability-has-been-found-in-edimax-br-6428nc-1-16-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-27. Updated: 2026-09-27  
License: CC BY 4.0 with a link back

CVE-2026-100745 · Severity: medium · CVSS 6.3 · Published 2026-09-27

Edimax BR-6428nC is a wireless router used in home and small office networks. The router's web-based wireless configuration interface is vulnerable to a stack-based buffer overflow when processing network interface parameters. An attacker on the network can send a specially crafted request to trigger the overflow and potentially execute arbitrary code, compromising the router and any connected networks.

Vendors: [Edimax](https://junglewise.ai/threats/vendors/edimax).

## Quick answers

**Is CVE-2026-100745 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-100745 being exploited in the wild.

**How severe is CVE-2026-100745?** Medium severity, with a CVSS score of 6.3, published 27 September 2026.

**Which products and versions are affected?** Edimax BR-6428nC 1.16.

**Is there a fix for CVE-2026-100745?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-100745 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-100745?** Check whether you run Edimax BR-6428nC at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A stack-based buffer overflow exists in the Wireless Wizard Handler component of Edimax BR-6428nC 1.16, specifically in the /goform/formWizSurvey endpoint when processing the interface1 or interface2 parameters. Remote exploitation is possible without authentication, allowing an attacker to overflow the stack and potentially achieve remote code execution.

## Affected products

- Edimax BR-6428nC 1.16

## Timeline

- 2026-09-27: disclosed
- 2026-09-27: advisory

## References

- [https://tzh00203.notion.site/Edimax-BR-6428nC-formWizSurvey-Interface-Stack-Overflow-33db5c52018a80b5b950feb29846006c](https://tzh00203.notion.site/Edimax-BR-6428nC-formWizSurvey-Interface-Stack-Overflow-33db5c52018a80b5b950feb29846006c)
- [https://vuldb.com/cve/CVE-2026-100745](https://vuldb.com/cve/CVE-2026-100745)

## Related threats

- [Edimax BR-6428nC open redirect in websRedirect handler](https://junglewise.ai/threats/cve-2026-96892-a-flaw-has-been-found-in-edimax-br-6428nc-1-16-the-impacted)
