CVE-2025-6373 D-Link DIR-619L formWlSiteSurvey formSetWizard1 stack-based overflow

High 8.7 Published 20 Jun 2025 Updated 23 Jun 2025

Remote attackers can trigger a stack-based 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-2025-6373?

CVE-2025-6373 is a high-severity memory corruption vulnerability in Dlink Dir-619l Firmware, published on 20 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in D-Link DIR-619L 2.06B01 and classified as critical. This vulnerability affects the function formSetWizard1 of the file /goform/formWlSiteSurvey. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2025-6373?

It affects 1 product.

Products include Dlink Dir-619l Firmware.

How do I fix CVE-2025-6373?

No fix has been published for CVE-2025-6373 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-2025-6373 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6373 exists.

All Dlink Dir-619l Firmware vulnerabilities

Sources

Also known as GHSA-7wmh-7w89-3crv.