# CVE-2026-9297: Edimax BR-6428NS command injection in formWlbasic

Source: https://junglewise.ai/threats/cve-2026-9297-edimax-br-6428ns-command-injection-in-formwlbasic  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-23. Updated: 2026-05-26  
License: CC BY 4.0 with a link back

CVE-2026-9297 · Severity: medium · CVSS 6.3 · Published 2026-05-23

A security vulnerability exists in the Edimax BR-6428NS wireless router. This device is commonly used to provide Wi-Fi connectivity in home and small office environments. An attacker could exploit this flaw to take control of the router, potentially leading to unauthorized access to network traffic or a complete disruption of internet services. This issue is particularly concerning as the vendor has not yet provided a fix, and technical details on how to exploit it are publicly available.

Technologies: [Edimax BR-6428nS](https://junglewise.ai/threats/technologies/br-6428ns). Vendors: [Edimax](https://junglewise.ai/threats/vendors/edimax).

## Quick answers

**Is CVE-2026-9297 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-9297 being exploited in the wild.

**How severe is CVE-2026-9297?** Medium severity, with a CVSS score of 6.3, published 23 May 2026.

**Which products and versions are affected?** Edimax BR-6428nS 1.10.

**Is there a fix for CVE-2026-9297?** 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-2026-9297 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-9297?** Check whether you run Edimax BR-6428nS 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 command injection vulnerability exists in the Edimax BR-6428NS router version 1.10. The flaw is located within the 'formWlbasic' function of the '/goform/formWlbasic' endpoint, which serves as a POST request handler. By manipulating the 'repeaterSSID' argument, a remote attacker with low privileges can inject and execute arbitrary system commands on the underlying operating system. The attack vector is network-based and does not require user interaction, though it typically requires authentication (PR:L). As of the disclosure date, the vendor has not responded to reports, and no official patch is available. Public exploit code is reportedly available.

## Affected products

- Edimax BR-6428NS 1.10

## Timeline

- 2026-05-23: disclosed: Public disclosure of the vulnerability and exploit details.
- 2026-05-23: advisory: CVE-2026-9297 published.

## References

- [https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formWlbasic-34b53a41781f807fb398dbab03bdbb38?source=copy_link](https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formWlbasic-34b53a41781f807fb398dbab03bdbb38?source=copy_link)
- [https://vuldb.com/submit/811536](https://vuldb.com/submit/811536)
- [https://vuldb.com/vuln/365244](https://vuldb.com/vuln/365244)
- [https://vuldb.com/vuln/365244/cti](https://vuldb.com/vuln/365244/cti)

## Related threats

- [Edimax BR-6428NS command injection in formWlanM](https://junglewise.ai/threats/cve-2026-9296-edimax-br-6428ns-command-injection-in-formwlanm)
- [Edimax BR-6428NS buffer overflow in formWirelessTbl](https://junglewise.ai/threats/cve-2026-9295-edimax-br-6428ns-buffer-overflow-in-formwirelesstbl)
- [Edimax BR-6428NS buffer overflow in formWanTcpipSetup](https://junglewise.ai/threats/cve-2026-9294-edimax-br-6428ns-buffer-overflow-in-formwantcpipsetup)
- [Edimax BR-6428NS command injection in formStaDrvSetup](https://junglewise.ai/threats/cve-2026-8777-edimax-br-6428ns-command-injection-in-formstadrvsetup)
- [Edimax BR-6428NS buffer overflow in formPPTPSetup](https://junglewise.ai/threats/cve-2026-8776-edimax-br-6428ns-buffer-overflow-in-formpptpsetup)