CVE-2026-2883 D-Link DWR-M960 formIpQoS sub_427D74 stack-based overflow

High 8.7 Published 21 Feb 2026 Updated 23 Feb 2026

Remote attackers can trigger a stack-based buffer overflow in the D-Link DWR-M960 router via the formIpQoS interface, potentially leading to 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-2026-2883?

CVE-2026-2883 is a high-severity memory corruption vulnerability in D-Link DWR-M960, published on 21 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in D-Link DWR-M960 1.01.07. Impacted is the function sub_427D74 of the file /boafrm/formIpQoS. Executing a manipulation of the argument submit-url can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2026-2883?

It affects 1 product.

Products include Dlink Dwr-M960 Firmware.

How do I fix CVE-2026-2883?

No fix has been published for CVE-2026-2883 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-2026-2883 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2883 exists.

Sources

Also known as GHSA-vgp4-r46f-r9x7.