CVE-2026-9295: Edimax BR-6428NS buffer overflow in formWirelessTbl

CVE-2026-9295 · Severity: high · CVSS 8.8 · Published 2026-05-23

A security vulnerability exists in the Edimax BR-6428NS wireless router. An attacker can exploit this flaw to cause a system crash or potentially take full control of the device by sending a specially crafted web request. This could lead to a complete loss of internet connectivity for the network or unauthorized access to network traffic.

Technologies: Edimax BR-6428nS. Vendors: Edimax.

Quick answers

Is CVE-2026-9295 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-9295 being exploited in the wild.
How severe is CVE-2026-9295?
High severity, with a CVSS score of 8.8, published 23 May 2026.
Which products and versions are affected?
Edimax BR-6428nS 1.10.
Is there a fix for CVE-2026-9295?
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-2026-9295 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-9295?
Check whether you run Edimax BR-6428nS 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-6428NS router version 1.10. The flaw is located within the 'formWirelessTbl' function in the '/goform/formWirelessTbl' component, which handles POST requests. By manipulating the 'vapurl' argument, a remote attacker with low privileges can trigger the overflow. This can lead to arbitrary code execution or a denial of service (DoS). A public exploit has been released, and as of the advisory date, the vendor has not provided a patch or responded to the disclosure.

Affected products

  • Edimax BR-6428NS 1.10

Timeline

  • 2026-05-23: advisory: Initial disclosure by VulDB and NVD
  • 2026-05-23: disclosed: Public exploit released

References

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