CVE-2026-13580 Edimax EW-7478APC POST Request formQoS buffer overflow
Remote attackers can trigger a buffer overflow in the QoS handler of Edimax access points, 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-2026-13580?
CVE-2026-13580 is a high-severity memory corruption vulnerability in Edimax EW-7478APC, published on 29 Jun 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-7478APC 1.04. This affects the function formQoS of the file /goform/formQoS of the component POST Request Handler. The manipulation of the argument selSSID leads to buffer overflow. Remote exploitation of the attack is possible. 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-2026-13580?
How do I fix CVE-2026-13580?
No fix has been published for CVE-2026-13580 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-2026-13580 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13580 exists.
Sources
Also known as GHSA-jv8x-v9mq-9q74.