CVE-2026-9461 Edimax EW-7438RPn formRadius stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the formRadius function to execute arbitrary code on Edimax range extenders.
- 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-2026-9461?
CVE-2026-9461 is a high-severity memory corruption vulnerability in Edimax EW-7438RPn, published on 25 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in Edimax EW-7438RPn 1.31. Affected is the function formRadius of the file /goform/formRadius. The manipulation of the argument submit-url leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-9461?
How do I fix CVE-2026-9461?
No fix has been published for CVE-2026-9461 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-2026-9461 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9461 exists.
Sources
Also known as GHSA-68hc-jq62-w8v4.