CVE-2026-15696 Tenda BE12 Pro VirtualSer fromVirtualSer stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda BE12 Pro router via the VirtualSer 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-2026-15696?
CVE-2026-15696 is a high-severity memory corruption vulnerability in Tenda BE12 Pro, published on 14 Jul 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 BE12 Pro 16.03.66.23. The impacted element is the function fromVirtualSer of the file /goform/VirtualSer. Such manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-15696?
How do I fix CVE-2026-15696?
No fix has been published for CVE-2026-15696 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-2026-15696 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15696 exists.
Sources
Also known as GHSA-h9wr-9gfr-4wqp.