Is CVE-2026-13583 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-13583 being exploited in the wild.

How severe is CVE-2026-13583?

High severity, with a CVSS score of 8.8, published 29 June 2026.

Is there a fix for CVE-2026-13583?

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-2026-13583 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-13583?

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.

CVE-2026-13583: Edimax EW-7478APC buffer overflow in formUSBFolder

CVE-2026-13583 · Severity: high · CVSS 8.8 · Published 2026-06-29

A security vulnerability has been identified in the Edimax EW-7478APC router, a device used to provide wireless networking and internet connectivity. 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 internet availability, unauthorized access to the local network, or the interception of sensitive data.

Technologies: Edimax EW-7478APC. Vendors: Edimax.

Quick answers

Is CVE-2026-13583 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-13583 being exploited in the wild.
How severe is CVE-2026-13583?: High severity, with a CVSS score of 8.8, published 29 June 2026.
Which products and versions are affected?: Edimax EW-7478APC 1.04.
Is there a fix for CVE-2026-13583?: 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-2026-13583 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-13583?: 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

A stack-based buffer overflow exists in the Edimax EW-7478APC firmware version 1.04 within the 'formUSBFolder' function of the POST request handler located at /goform/formUSBFolder. The vulnerability is triggered by insufficient validation of the 'ShareName' and 'SelectName' arguments. A remote attacker with low-level privileges (authenticated) can exploit this by sending a crafted POST request to the device. Successful exploitation can lead to arbitrary code execution or a denial-of-service (DoS) condition. Public exploit code has been disclosed, and the vendor has reportedly not responded to the disclosure.

Affected products

Edimax EW-7478APC 1.04

Timeline

2026-06-29: advisory: NVD and VulDB published the vulnerability details.
2026-06-29: disclosed: Public exploit code has been disclosed.

References

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