CVE-2018-8941 Memory corruption in n/a

High 8.8 Published 3 Apr 2018 Updated 5 Aug 2024

Authenticated attackers can execute arbitrary code on D-Link DSL-3782 devices via a buffer overflow in the diagnostics functionality.

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-2018-8941?

CVE-2018-8941 is a high-severity memory corruption vulnerability in n/a, published on 3 Apr 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Diagnostics functionality on D-Link DSL-3782 devices with firmware EU v. 1.01 has a buffer overflow, allowing authenticated remote attackers to execute arbitrary code via a long Addr value to the 'set Diagnostics_Entry' function in an HTTP request, related to /userfs/bin/tcapi.

Weakness: CWE-119

Which versions are affected by CVE-2018-8941?

It affects 1 product.

Products include D-Link Dsl-3782 Firmware.

How do I fix CVE-2018-8941?

No fix has been published for CVE-2018-8941 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-2018-8941 being exploited?

There is no known exploitation of CVE-2018-8941 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-rvhx-68h5-664f.