CVE-2025-6370 D-Link DIR-619L formWlanGuestSetup stack-based overflow
Remote attackers can execute arbitrary code via a stack-based buffer overflow in the guest setup form of unsupported D-Link DIR-619L 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-2025-6370?
CVE-2025-6370 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 classified as critical was found in D-Link DIR-619L 2.06B01. Affected by this vulnerability is the function formWlanGuestSetup of the file /goform/formWlanGuestSetup. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack can be launched 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.
Which versions are affected by CVE-2025-6370?
It affects 1 product.
Products include Dlink Dir-619l Firmware.
How do I fix CVE-2025-6370?
No fix has been published for CVE-2025-6370 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-2025-6370 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6370 exists.
Other vulnerabilities in Dlink Dir-619l Firmware
Sources
Also known as GHSA-f234-p2xf-wwr7.