CVE-2020-25757 Command injection in n/a

High 8.8 Published 15 Dec 2020 Updated 4 Aug 2024

Attackers can execute arbitrary commands with root privileges on D-Link DSR VPN routers due to insufficient input validation in Lua CGIs.

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

What is CVE-2020-25757?

CVE-2020-25757 is a high-severity command injection vulnerability in n/a, published on 15 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.

Weakness: CWE-78, CWE-20

Which versions are affected by CVE-2020-25757?

It affects 10 products.

Products include Dlink Dsr-1000 Firmware, Dlink Dsr-1000ac Firmware, Dlink Dsr-1000n Firmware, Dlink Dsr-150 Firmware, Dlink Dsr-150n Firmware, Dlink Dsr-250 Firmware and 4 more.

How do I fix CVE-2020-25757?

No fix has been published for CVE-2020-25757 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-2020-25757 being exploited?

There is no known exploitation of CVE-2020-25757 in the wild and no public exploit code.

Sources

Also known as GHSA-7374-8xfw-v758.