CVE-2021-1291 Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution Vulnerabilities

Critical 9.8 Published 4 Feb 2021 Updated 8 Nov 2024

Unauthenticated remote attackers can execute arbitrary code as root on Cisco Small Business RV series routers via crafted HTTP requests.

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-2021-1291?

CVE-2021-1291 is a critical command injection vulnerability in Cisco Small Business RV Series Router Firmware, published on 4 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code as the root user on an affected device. These vulnerabilities exist because HTTP requests are not properly validated. An attacker could exploit these vulnerabilities by sending a crafted HTTP request to the web-based management interface of an affected device. A successful exploit could allow the attacker to remotely execute arbitrary code on the device.

Weakness: CWE-472

Which versions are affected by CVE-2021-1291?

It affects 5 products.

Products include Cisco Rv160 Vpn Router Firmware, Cisco Rv160w Wireless-Ac Vpn Router Firmware, Cisco Rv260 Vpn Router Firmware, Cisco Rv260p Vpn Router With Poe Firmware, Cisco Rv260w Wireless-Ac Vpn Router Firmware.

How do I fix CVE-2021-1291?

No fix has been published for CVE-2021-1291 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-2021-1291 being exploited?

There is no known exploitation of CVE-2021-1291 in the wild and no public exploit code.

Sources

Also known as GHSA-fh7q-6m5q-xqp4.