CVE-2021-1602 Cisco Small Business RV160 and RV260 Series VPN Routers Remote Command Execution Vulnerability

High 8.2 Published Updated

Unauthenticated remote attackers can execute arbitrary root-level commands on Cisco Small Business RV 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-2021-1602?

CVE-2021-1602 is a high-severity command injection vulnerability in Cisco Small Business RV Series Router Firmware, published on 4 Aug 2021. 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 Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient user input validation. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on an affected device using root-level privileges. Due to the nature of the vulnerability, only commands without parameters can be executed.

Weakness: CWE-20, CWE-78

Which versions are affected by CVE-2021-1602?

It affects 1 product.

Products include Cisco Small Business Rv Series Router Firmware.

How do I fix CVE-2021-1602?

No fix has been published for CVE-2021-1602 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-2021-1602 being exploited?

There is no known exploitation of CVE-2021-1602 in the wild and no public exploit code.

Sources

Also known as GHSA-cp25-9m7h-7j49.

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