# CVE-2026-9362: Edimax EW-7438RPn command injection in Setting Handler

Source: https://junglewise.ai/threats/cve-2026-9362-edimax-ew-7438rpn-command-injection-in-setting-handler  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-24. Updated: 2026-05-26  
License: CC BY 4.0 with a link back

CVE-2026-9362 · Severity: medium · CVSS 6.3 · Published 2026-05-24

A security vulnerability exists in the Edimax EW-7438RPn Wi-Fi extender, a device used to increase the range of wireless networks. An attacker can remotely inject malicious commands into the device's settings handler, potentially allowing them to take control of the hardware. This could lead to unauthorized access to the network, interception of data, or disruption of internet connectivity.

Technologies: [Edimax EW-7438RPn](https://junglewise.ai/threats/technologies/ew-7438rpn). Vendors: [Edimax](https://junglewise.ai/threats/vendors/edimax).

## Quick answers

**Is CVE-2026-9362 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-9362 being exploited in the wild.

**How severe is CVE-2026-9362?** Medium severity, with a CVSS score of 6.3, published 24 May 2026.

**Which products and versions are affected?** Edimax EW-7438RPn 1.12.

**Is there a fix for CVE-2026-9362?** 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-2026-9362 attacked?** It is attacked over the network, in device firmware.

**Am I affected by CVE-2026-9362?** Check whether you run Edimax EW-7438RPn 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 EW-7438RPn firmware version 1.12. The flaw is located within the 'formConnectionSetting' function of the '/goform/formConnectionSetting' endpoint in the Setting Handler component. By manipulating the 'max_Conn' or 'timeOut' arguments, a remote attacker with low privileges can inject and execute arbitrary system commands. The vulnerability is reachable over the network, and while an exploit has been publicly disclosed, the vendor has reportedly not responded to the disclosure.

## Affected products

- Edimax EW-7438RPn 1.12

## Timeline

- 2026-05-24: disclosed: Public disclosure of the vulnerability and exploit.
- 2026-05-24: advisory: CVE-2026-9362 published.

## References

- [https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formConnectionSetting-34b53a41781f807a9c88e746d24540cd?source=copy_link](https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formConnectionSetting-34b53a41781f807a9c88e746d24540cd?source=copy_link)
- [https://vuldb.com/submit/811553](https://vuldb.com/submit/811553)
- [https://vuldb.com/vuln/365325](https://vuldb.com/vuln/365325)
- [https://vuldb.com/vuln/365325/cti](https://vuldb.com/vuln/365325/cti)

## Related threats

- [Edimax EW-7438RPn stack overflow in formSDHCP](https://junglewise.ai/threats/cve-2026-9482-edimax-ew-7438rpn-stack-overflow-in-formsdhcp)
- [Edimax EW-7438RPn stack overflow in formStats](https://junglewise.ai/threats/cve-2026-9481-edimax-ew-7438rpn-stack-overflow-in-formstats)
- [Edimax EW-7438RPn stack overflow in formrefresh](https://junglewise.ai/threats/cve-2026-9480-edimax-ew-7438rpn-stack-overflow-in-formrefresh)
- [Edimax EW-7438RPn stack overflow in formLogout](https://junglewise.ai/threats/cve-2026-9479-edimax-ew-7438rpn-stack-overflow-in-formlogout)
- [Edimax EW-7438RPn stack overflow in formLicence](https://junglewise.ai/threats/cve-2026-9463-edimax-ew-7438rpn-stack-overflow-in-formlicence)