CVE-2026-9345 Edimax EW-7438RPn webs formWizSurvey buffer overflow
Remote attackers can trigger a buffer overflow in the Edimax EW-7438RPn web interface via crafted arguments, potentially leading to code execution or service disruption.
- 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-2026-9345?
CVE-2026-9345 is a high-severity memory corruption vulnerability in Edimax EW-7438RPn, published on 24 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in Edimax EW-7438RPn up to 1.31. This affects the function formWizSurvey of the file /goform/formWizSurvey of the component webs. Performing a manipulation of the argument ssid/manualssid/ip/mask/gateway results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public 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-2026-9345?
How do I fix CVE-2026-9345?
No fix has been published for CVE-2026-9345 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-2026-9345 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9345 exists.
Sources
Also known as GHSA-r23w-53vr-mr47.