CVE-2025-12619 Tenda A15 openNetworkGateway fromSetWirelessRepeat buffer overflow

High 8.7 Published 3 Nov 2025 Updated 24 Feb 2026

Remote attackers can trigger a buffer overflow in the Tenda A15 router's wireless configuration 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-2025-12619?

CVE-2025-12619 is a high-severity memory corruption vulnerability in Tenda A15, published on 3 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Tenda A15 15.13.07.13. Affected is the function fromSetWirelessRepeat of the file /goform/openNetworkGateway. The manipulation of the argument wpapsk_crypto2_4g results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-12619?

It affects 1 product.

Products include Tenda A15 Firmware.

How do I fix CVE-2025-12619?

No fix has been published for CVE-2025-12619 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-2025-12619 being exploited?

There is no known exploitation of CVE-2025-12619 in the wild and no public exploit code.

Sources

Also known as GHSA-vf3v-g8q7-mh8x.