Is CVE-2026-9481 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-9481 being exploited in the wild.

How severe is CVE-2026-9481?

High severity, with a CVSS score of 8.8, published 25 May 2026.

Is there a fix for CVE-2026-9481?

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-2026-9481 attacked?

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

Am I affected by CVE-2026-9481?

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.

CVE-2026-9481: Edimax EW-7438RPn stack overflow in formStats

CVE-2026-9481 · Severity: high · CVSS 8.8 · Published 2026-05-25

A security vulnerability exists in the Edimax EW-7438RPn Wi-Fi extender that could allow an attacker to take control of the device. By sending a specially crafted web request, an attacker can cause the device to crash or potentially execute malicious code. This could lead to a total loss of network connectivity through the extender or unauthorized access to the device's settings and traffic.

Technologies: Edimax EW-7438RPn. Vendors: Edimax.

Quick answers

Is CVE-2026-9481 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-9481 being exploited in the wild.
How severe is CVE-2026-9481?: High severity, with a CVSS score of 8.8, published 25 May 2026.
Which products and versions are affected?: Edimax EW-7438RPn 1.31.
Is there a fix for CVE-2026-9481?: 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-2026-9481 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-9481?: 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 stack-based buffer overflow vulnerability exists in the 'webs' binary of the Edimax EW-7438RPn Wi-Fi extender (firmware version 1.31). The flaw is located within the 'formStats' function in the '/goform/formStats' endpoint. The 'submit-url' POST parameter is copied into a local stack buffer without adequate length validation. An attacker with network access and basic authentication can provide an overly long string to overwrite the function's return address. This can result in a persistent denial of service (device crash) or arbitrary code execution. A public exploit (PoC) is available, and the vendor has reportedly not responded to disclosure attempts.

Affected products

Edimax EW-7438RPn 1.31

Timeline

2026-05-25: advisory: Initial disclosure and CVE assignment
2026-05-25: disclosed: Public PoC released on GitHub

References

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