# CVE-2026-10164: Edimax BR-6478AC buffer overflow in formUSBFolder

Source: https://junglewise.ai/threats/cve-2026-10164-edimax-br-6478ac-buffer-overflow-in-formusbfolder  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-31. Updated: 2026-05-31  
License: CC BY 4.0 with a link back

CVE-2026-10164 · Severity: high · CVSS 8.8 · Published 2026-05-31

A security vulnerability exists in the Edimax BR-6478AC wireless router, a device used to provide internet connectivity and network management. An attacker can exploit this flaw to crash the device or potentially take full control of it by sending a specially crafted request to the router's USB management interface. This could lead to a total loss of network availability or unauthorized access to data passing through the router.

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

## Quick answers

**Is CVE-2026-10164 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-10164 being exploited in the wild.

**How severe is CVE-2026-10164?** High severity, with a CVSS score of 8.8, published 31 May 2026.

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

**Is there a fix for CVE-2026-10164?** 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-2026-10164 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-10164?** 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 stack-based buffer overflow vulnerability exists in the Edimax BR-6478AC router firmware version 1.23. The flaw is located within the 'formUSBFolder' function in the '/goform/formUSBFolder' component of the web-based POST request handler. By manipulating the 'ShareName' or 'SelectName' parameters, a remote attacker with low-level privileges can trigger a buffer overflow. This can lead to remote code execution (RCE) or a denial of service (DoS) condition. The exploit has been disclosed publicly.

## Affected products

- Edimax BR-6478AC 1.23

## Timeline

- 2026-05-31: disclosed: Initial public disclosure and NVD publication.

## References

- [https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formUSBFolder-34b53a41781f80559b15f262ba914d57?source=copy_link](https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formUSBFolder-34b53a41781f80559b15f262ba914d57?source=copy_link)
- [https://vuldb.com/submit/818600](https://vuldb.com/submit/818600)
- [https://vuldb.com/vuln/367417](https://vuldb.com/vuln/367417)
- [https://vuldb.com/vuln/367417/cti](https://vuldb.com/vuln/367417/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 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)
- [Edimax BR-6478AC buffer overflow in formQoS](https://junglewise.ai/threats/cve-2026-10126-edimax-br-6478ac-buffer-overflow-in-formqos)