CVE-2018-10747 Memory corruption in n/a

High 8.8 Published 4 May 2018 Updated 16 Sep 2024

An authenticated user can trigger memory corruption in the Diagnostics component to execute arbitrary code on D-Link DSL-3782 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-2018-10747?

CVE-2018-10747 is a high-severity memory corruption vulnerability in n/a, published on 4 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as an 'unset' parameter to the '/userfs/bin/tcapi' binary (in the Diagnostics component) using the 'unset <node_name>' function and cause memory corruption. Furthermore, it is possible to redirect the flow of the program and execute arbitrary code.

Weakness: CWE-119

Which versions are affected by CVE-2018-10747?

It affects 1 product.

Products include D-Link Dsl-3782 Firmware.

How do I fix CVE-2018-10747?

No fix has been published for CVE-2018-10747 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-2018-10747 being exploited?

There is no known exploitation of CVE-2018-10747 in the wild and no public exploit code.

Sources

Also known as GHSA-m22f-76mr-w7w4.