CVE-2021-1212 : Vulnerability Insights and Analysis

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly.

Understanding CVE-2021-1212

This CVE identifies multiple vulnerabilities in Cisco Small Business RV Series Routers, allowing attackers to execute arbitrary code or trigger a denial of service.

What is CVE-2021-1212?

The CVE-2021-1212 vulnerability allows remote attackers to exploit the web-based management interface of affected Cisco routers, leading to unauthorized code execution or device restarts.

The Impact of CVE-2021-1212

The impact of this vulnerability is significant, with the potential for attackers to gain root access to the underlying operating system or cause denial of service by reloading the device.

Technical Details of CVE-2021-1212

The following technical details outline the specifics of CVE-2021-1212:

Vulnerability Description

Improper validation of user input in the web-based management interface could be exploited by sending crafted HTTP requests, enabling attackers to execute arbitrary code or trigger device reloads.

Affected Systems and Versions

The vulnerability affects Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers.

Exploitation Mechanism

Attackers with valid administrator credentials can exploit this vulnerability by sending crafted HTTP requests to the targeted device.

Mitigation and Prevention

To protect your system from CVE-2021-1212, consider the following steps:

Immediate Steps to Take

Regularly monitor Cisco's security updates and apply patches promptly once released.
Restrict network access to the web-based management interface to authorized users only.

Long-Term Security Practices

Implement strong password policies and multi-factor authentication to prevent unauthorized access.
Conduct regular security audits and assessments to identify and address potential vulnerabilities.

Patching and Updates

Ensure that you stay informed about security advisories from Cisco and apply relevant patches and updates as soon as they are available.