CVE-2026-2926 D-Link DWR-M960 LTE Configuration Endpoint formLteSetup sub_4237AC stack-based overflow

High 8.7 Published 22 Feb 2026 Updated 26 Feb 2026

Remote attackers can trigger a stack-based buffer overflow in the LTE configuration endpoint to potentially execute arbitrary code on D-Link DWR-M960 routers.

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-2026-2926?

CVE-2026-2926 is a high-severity memory corruption vulnerability in D-Link DWR-M960, published on 22 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw has been found in D-Link DWR-M960 1.01.07. This affects the function sub_4237AC of the file /boafrm/formLteSetup of the component LTE Configuration Endpoint. Executing a manipulation of the argument submit-url can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2026-2926?

It affects 1 product.

Products include Dlink Dwr-M960 Firmware.

How do I fix CVE-2026-2926?

No fix has been published for CVE-2026-2926 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-2026-2926 being exploited?

There is no known exploitation of CVE-2026-2926 in the wild and no public exploit code.

Sources

Also known as GHSA-m87m-887p-w3r5.