CVE-2026-11557 Tenda F451 Web Management Natlimit fromNatlimit stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda F451 web management interface via the page argument, 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-2026-11557?
CVE-2026-11557 is a high-severity memory corruption vulnerability in Tenda F451, published on 8 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Tenda F451 1.0.0.7/1.0.0.9. The affected element is the function fromNatlimit of the file /goform/Natlimit of the component Web Management Interface. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-11557?
How do I fix CVE-2026-11557?
No fix has been published for CVE-2026-11557 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-2026-11557 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11557 exists.
Sources
Also known as GHSA-69q3-3657-8752.