CVE-2026-11524 Tenda W20E Web Management modifyWifiFilterRules stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda W20E web management interface via the wifiFilterListRemark parameter, potentially leading to code execution.
- 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-2026-11524?
CVE-2026-11524 is a high-severity memory corruption vulnerability in Tenda W20E, published on 8 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 Tenda W20E 15.11.0.6. Impacted is the function modifyWifiFilterRules of the file /goform/modifyWifiFilterRules of the component Web Management Interface. The manipulation of the argument wifiFilterListRemark leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-11524?
How do I fix CVE-2026-11524?
No fix has been published for CVE-2026-11524 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-2026-11524 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11524 exists.
Sources
Also known as GHSA-hmh7-xjhg-5rc9.