CVE-2026-10163 Edimax BR-6478AC POST Request formUSBAccount buffer overflow

High 8.7 Published Updated

Remote attackers can trigger a buffer overflow in the USB account handler to potentially execute arbitrary code or gain elevated privileges on Edimax routers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-10163?

CVE-2026-10163 is a high-severity memory corruption vulnerability in Edimax BR-6478AC, published on 31 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in Edimax BR-6478AC 1.23. This issue affects the function formUSBAccount of the file /goform/formUSBAccount of the component POST Request Handler. The manipulation of the argument UserName/Password leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-10163?

How do I fix CVE-2026-10163?

No fix has been published for CVE-2026-10163 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-10163 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10163 exists.

Sources

Also known as GHSA-pxj4-7p26-956c.

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