CVE-2026-19788 Tenda AC1206 httpd web management interface SetOnlineDevName set_device_name stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda AC1206 router's web interface to 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-2026-19788?
CVE-2026-19788 is a high-severity memory corruption vulnerability in Tenda AC1206, published on 14 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Tenda AC1206 15.03.06.23_multi_TD01. This affects the function set_device_name of the file /goform/SetOnlineDevName of the component httpd web management interface. The manipulation of the argument devName results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.
Which versions are affected by CVE-2026-19788?
How do I fix CVE-2026-19788?
No fix has been published for CVE-2026-19788 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-2026-19788 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19788 exists.
Sources
Also known as GHSA-8w38-952g-3w28.