CVE-2025-8184 D-Link DIR-513 HTTP POST Request formSetWanL2TPtriggers formSetWanL2TPcallback stack-based overflow

High 8.7 Published 26 Jul 2025 Updated 28 Jul 2025

Remote attackers can exploit a stack-based buffer overflow in the HTTP POST handler to execute arbitrary code on unsupported D-Link DIR-513 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-2025-8184?

CVE-2025-8184 is a high-severity memory corruption vulnerability in D-Link DIR-513, published on 26 Jul 2025. 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-513 up to 1.10 and classified as critical. This issue affects the function formSetWanL2TPcallback of the file /goform/formSetWanL2TPtriggers of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The attack may 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-787, CWE-119

Which versions are affected by CVE-2025-8184?

It affects 1 product.

Products include Dlink Dir-513 Firmware.

How do I fix CVE-2025-8184?

No fix has been published for CVE-2025-8184 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-2025-8184 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8184 exists.

Sources

Also known as GHSA-gcvq-jr65-5cwf.