CVE-2020-12774 D-Link DSL-7740C - Command Injection

High 8.2 Published 22 Jul 2020 Updated 16 Sep 2024

An authenticated LAN user can inject arbitrary commands into the D-Link DSL-7740C router due to improper input validation.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-12774?

CVE-2020-12774 is a high-severity command injection vulnerability in D-Link DSL-7740C, published on 22 Jul 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

D-Link DSL-7740C does not properly validate user input, which allows an authenticated LAN user to inject arbitrary command.

Weakness: CWE-78

Which versions are affected by CVE-2020-12774?

It affects 1 product.

Products include Dlink Dsl-7740c Firmware.

How do I fix CVE-2020-12774?

No fix has been published for CVE-2020-12774 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2020-12774 being exploited?

There is no known exploitation of CVE-2020-12774 in the wild and no public exploit code.

Sources

Also known as GHSA-cqgh-444q-45w8.