# CVE-2026-9441: Edimax BR-6478AC command injection in formiNICbasic

Source: https://junglewise.ai/threats/cve-2026-9441-edimax-br-6478ac-command-injection-in-forminicbasic  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-25. Updated: 2026-05-26  
License: CC BY 4.0 with a link back

CVE-2026-9441 · Severity: medium · CVSS 6.3 · Published 2026-05-25

A security vulnerability exists in the Edimax BR-6478AC wireless router, a device used to provide internet connectivity in homes and small offices. An attacker can remotely inject malicious commands into the device's management interface, potentially leading to full control over the router. This could allow an unauthorized party to disrupt internet service, intercept network traffic, or use the device as a foothold for further attacks on the local network.

Technologies: [Edimax BR-6478AC](https://junglewise.ai/threats/technologies/br-6478ac). Vendors: [Edimax](https://junglewise.ai/threats/vendors/edimax).

## Quick answers

**Is CVE-2026-9441 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-9441 being exploited in the wild.

**How severe is CVE-2026-9441?** Medium severity, with a CVSS score of 6.3, published 25 May 2026.

**Which products and versions are affected?** Edimax BR-6478AC 1.23.

**Is there a fix for CVE-2026-9441?** 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-2026-9441 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-9441?** Check whether you run Edimax BR-6478AC 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-6478AC router version 1.23 within the POST request handler component. The flaw is located in the 'formiNICbasic' function of the '/goform/formiNICbasic' endpoint. By manipulating the 'rootAPmac' argument in a network request, an attacker with low privileges can execute arbitrary system commands on the underlying operating system. The attack can be carried out remotely over the network. As of the disclosure date, the vendor has not responded to reports, and no official patch is available. Public exploit code has been released.

## Affected products

- Edimax BR-6478AC 1.23

## Timeline

- 2026-05-25: advisory: Initial disclosure by VulDB and NVD
- 2026-05-25: disclosed: Public exploit released

## References

- [https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formiNICbasic-34b53a41781f808bbc45e8ca54f93dd1?source=copy_link](https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formiNICbasic-34b53a41781f808bbc45e8ca54f93dd1?source=copy_link)
- [https://vuldb.com/submit/818450](https://vuldb.com/submit/818450)
- [https://vuldb.com/vuln/365422](https://vuldb.com/vuln/365422)
- [https://vuldb.com/vuln/365422/cti](https://vuldb.com/vuln/365422/cti)

## Related threats

- [Edimax BR-6478AC command injection in formWlbasic](https://junglewise.ai/threats/cve-2026-10166-edimax-br-6478ac-command-injection-in-formwlbasic)
- [Edimax BR-6478AC stack overflow in formWanTcpipSetup](https://junglewise.ai/threats/cve-2026-10165-edimax-br-6478ac-stack-overflow-in-formwantcpipsetup)
- [Edimax BR-6478AC buffer overflow in formUSBFolder](https://junglewise.ai/threats/cve-2026-10164-edimax-br-6478ac-buffer-overflow-in-formusbfolder)
- [Edimax BR-6478AC buffer overflow in formUSBAccount](https://junglewise.ai/threats/cve-2026-10163-edimax-br-6478ac-buffer-overflow-in-formusbaccount)
- [Edimax BR-6478AC command injection in formStaDrvSetup](https://junglewise.ai/threats/cve-2026-10127-edimax-br-6478ac-command-injection-in-formstadrvsetup)