CVE-2026-19792 Tenda G0 httpd web management interface module setPortMapping buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda G0 router's web interface to potentially execute arbitrary code.
- 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-2026-19792?
CVE-2026-19792 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 security flaw has been discovered in Tenda G0 up to 20260625. Impacted is the function setPortMapping of the file /goform/module of the component httpd web management interface. Performing a manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2026-19792?
How do I fix CVE-2026-19792?
No fix has been published for CVE-2026-19792 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-2026-19792 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19792 exists.
Sources
Also known as GHSA-w66q-5x8w-9jjm.