CVE-2025-15216 Tenda AC23 SetIpMacBind fromSetIpMacBind stack-based overflow

High 8.7 Published 30 Dec 2025 Updated 24 Feb 2026

Remote attackers can trigger a stack-based buffer overflow in the Tenda AC23 router's IP-MAC binding function, potentially leading to arbitrary code execution.

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-2025-15216?

CVE-2025-15216 is a high-severity memory corruption vulnerability in Tenda AC23, published on 30 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in Tenda AC23 16.03.07.52. This impacts the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument bindnum leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2025-15216?

It affects 1 product.

Products include Tenda Ac23 Firmware.

How do I fix CVE-2025-15216?

No fix has been published for CVE-2025-15216 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-2025-15216 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15216 exists.

Sources

Also known as GHSA-vwcf-px28-cqjr.