CVE-2023-40915 Memory corruption in n/a

High 7.5 Published 25 Aug 2023 Updated 2 Oct 2024

Attackers can cause a Denial of Service on Tenda AX3 routers via a stack buffer overflow in the WiFi setting function.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-40915?

CVE-2023-40915 is a high-severity memory corruption vulnerability in Tenda Ax3 Firmware, published on 25 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AX3 v16.03.12.11 has a stack buffer overflow vulnerability detected at function form_fast_setting_wifi_set. This vulnerability allows attackers to cause a Denial of Service (DoS) via the ssid parameter.

Weakness: CWE-787

Which versions are affected by CVE-2023-40915?

It affects 1 product.

Products include Tenda Ax3 Firmware.

How do I fix CVE-2023-40915?

No fix has been published for CVE-2023-40915 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-2023-40915 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-40915 exists.

All Tenda Ax3 Firmware vulnerabilities

Sources

Also known as GHSA-2992-3j6w-22hh.