CVE-2026-19791 Tenda G0 httpd web management interface module addStaticRoute stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda G0 router's web interface, 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-2026-19791?
CVE-2026-19791 is a high-severity memory corruption vulnerability in Tenda G0, published on 14 Aug 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 G0 up to 20260625. The affected element is the function addStaticRoute of the file /goform/module of the component httpd web management interface. Executing a manipulation of the argument staticRouteNet can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-19791?
How do I fix CVE-2026-19791?
No fix has been published for CVE-2026-19791 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-2026-19791 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19791 exists.
Sources
Also known as GHSA-hhjm-g2c9-8gpf.