# CVE-2026-13581: Edimax EW-7478APC OS command injection in formStaDrvSetup

Source: https://junglewise.ai/threats/cve-2026-13581-edimax-ew-7478apc-os-command-injection-in-formstadrvsetup  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-29. Updated: 2026-06-29  
License: CC BY 4.0 with a link back

CVE-2026-13581 · Severity: medium · CVSS 6.3 · Published 2026-06-29

A security vulnerability exists in the Edimax EW-7478APC wireless access point. An attacker can remotely inject malicious commands into the device's management interface, potentially leading to unauthorized control of the network hardware. This could allow an attacker to disrupt network services or intercept traffic passing through the device.

Technologies: [Edimax EW-7478APC](https://junglewise.ai/threats/technologies/ew-7478apc). Vendors: [Edimax](https://junglewise.ai/threats/vendors/edimax).

## Quick answers

**Is CVE-2026-13581 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-13581 being exploited in the wild.

**How severe is CVE-2026-13581?** Medium severity, with a CVSS score of 6.3, published 29 June 2026.

**Which products and versions are affected?** Edimax EW-7478APC 1.04.

**Is there a fix for CVE-2026-13581?** 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-2026-13581 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-13581?** Check whether you run Edimax EW-7478APC 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

An OS command injection vulnerability (CWE-78) exists in the Edimax EW-7478APC firmware version 1.04. The flaw is located within the 'formStaDrvSetup' function of the '/goform/formStaDrvSetup' component, which handles POST requests. Specifically, the 'rootAPmac' argument is not properly sanitized before being passed to a system shell. A remote attacker with low privileges can exploit this by sending a specially crafted POST request to execute arbitrary operating system commands. As of the disclosure date, the vendor has not responded to reports, and no patch is currently available.

## Affected products

- Edimax EW-7478APC 1.04

## Timeline

- 2026-06-29: disclosed: Public disclosure of the vulnerability and exploit.
- 2026-06-29: advisory

## References

- [https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formStaDrvSetup-34b53a41781f80a5805cfe72d78b76df](https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formStaDrvSetup-34b53a41781f80a5805cfe72d78b76df)
- [https://vuldb.com/cve/CVE-2026-13581](https://vuldb.com/cve/CVE-2026-13581)
- [https://vuldb.com/submit/844116](https://vuldb.com/submit/844116)
- [https://vuldb.com/vuln/374587](https://vuldb.com/vuln/374587)
- [https://vuldb.com/vuln/374587/cti](https://vuldb.com/vuln/374587/cti)

## Related threats

- [Edimax EW-7478APC command injection in stainfo](https://junglewise.ai/threats/cve-2026-19963-edimax-ew-7478apc-command-injection-in-stainfo)
- [Edimax EW-7478APC command injection in setWAN](https://junglewise.ai/threats/cve-2026-19962-edimax-ew-7478apc-command-injection-in-setwan)
- [Edimax EW-7478APC buffer overflow in wireless site survey](https://junglewise.ai/threats/cve-2026-19961-edimax-ew-7478apc-buffer-overflow-in-wireless-site-survey)
- [Edimax EW-7478APC command injection in formWlbasic](https://junglewise.ai/threats/cve-2026-19960-edimax-ew-7478apc-command-injection-in-formwlbasic)
- [Edimax EW-7478APC stack buffer overflow in WAN configuration](https://junglewise.ai/threats/cve-2026-19959-edimax-ew-7478apc-stack-buffer-overflow-in-wan-configuration)