CVE-2020-3331 Cisco RV110W and RV215W Series Routers Arbitrary Code Execution Vulnerability

Critical 9.8 Published 16 Jul 2020 Updated 15 Nov 2024

Unauthenticated remote attackers can execute arbitrary code with root privileges on Cisco RV110W and RV215W routers via the web management interface.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3331?

CVE-2020-3331 is a critical code injection vulnerability in Cisco Rv215w Wireless-N Vpn Router Firmware, published on 16 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco RV110W Wireless-N VPN Firewall and Cisco RV215W Wireless-N VPN Router could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied input data by the web-based management interface. An attacker could exploit this vulnerability by sending crafted requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the root user.

Weakness: CWE-119

Which versions are affected by CVE-2020-3331?

It affects 2 products.

Products include Cisco Rv110w Wireless-N Vpn Firewall Firmware, Cisco Rv215w Wireless-N Vpn Router Firmware.

How do I fix CVE-2020-3331?

No fix has been published for CVE-2020-3331 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-3331 being exploited?

There is no known exploitation of CVE-2020-3331 in the wild and no public exploit code.

All Cisco Rv215w Wireless-N Vpn Router Firmware vulnerabilities

Sources

Also known as GHSA-7prw-wc7c-g95v.