CVE-2025-4448 D-Link DIR-619L formEasySetupWizard buffer overflow

High 8.7 Published 9 May 2025 Updated 9 May 2025

Remote attackers can exploit a buffer overflow in the D-Link DIR-619L router to execute arbitrary code, affecting unsupported devices.

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-2025-4448?

CVE-2025-4448 is a high-severity memory corruption vulnerability in Dlink Dir-619l Firmware, published on 9 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical was found in D-Link DIR-619L 2.04B04. This vulnerability affects the function formEasySetupWizard. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-4448?

It affects 1 product.

Products include Dlink Dir-619l Firmware.

How do I fix CVE-2025-4448?

No fix has been published for CVE-2025-4448 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-2025-4448 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4448 exists.

All Dlink Dir-619l Firmware vulnerabilities

Sources

Also known as GHSA-44r5-8x6q-27jq.