CVE-2026-7289 D-Link DIR-825M formWanConfigSetup sub_414BA8 buffer overflow

High 8.7 Published 28 Apr 2026 Updated 29 Apr 2026

Remote attackers can trigger a buffer overflow in the WAN configuration setup, potentially leading to code execution or denial of service on D-Link DIR-825M 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-2026-7289?

CVE-2026-7289 is a high-severity memory corruption vulnerability in D-Link DIR-825M, published on 28 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in D-Link DIR-825M 1.1.12. This issue affects the function sub_414BA8 of the file /boafrm/formWanConfigSetup. The manipulation of the argument submit-url results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-7289?

It affects 1 product.

Products include Dlink Dir-825m Firmware.

How do I fix CVE-2026-7289?

No fix has been published for CVE-2026-7289 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-2026-7289 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7289 exists.

Sources

Also known as GHSA-vw6v-fgx7-cq95.