CVE-2026-13583 Edimax EW-7478APC POST Request formUSBFolder buffer overflow
Remote attackers can trigger a buffer overflow in the Edimax EW-7478APC via crafted POST requests, 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-2026-13583?
CVE-2026-13583 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 vulnerability has been found in Edimax EW-7478APC 1.04. Impacted is the function formUSBFolder of the file /goform/formUSBFolder of the component POST Request Handler. Such manipulation of the argument ShareName/SelectName leads to buffer overflow. The attack may be performed from remote. The exploit has been disclosed to the 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-2026-13583?
How do I fix CVE-2026-13583?
No fix has been published for CVE-2026-13583 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-2026-13583 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13583 exists.
Sources
Also known as GHSA-r8ch-529w-3cmj.