CVE-2021-1307 : 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. The vulnerabilities are due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition.

Understanding CVE-2021-1307

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-1307.

What is CVE-2021-1307?

CVE-2021-1307 highlights multiple vulnerabilities in Cisco Small Business RV Series Router Firmware that could lead to remote command execution and denial of service attacks. The flaws stem from inadequate user input validation in the device's web-based management interface.

The Impact of CVE-2021-1307

The impact of these vulnerabilities is significant, as they could be exploited by an authenticated, remote attacker to run arbitrary code as the root user or cause device restarts, resulting in denial of service.

Technical Details of CVE-2021-1307

In this section, we delve into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from improper validation of user-supplied input within the web-based management interface of Cisco Small Business RV Series Routers.

Affected Systems and Versions

Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected by this vulnerability.

Exploitation Mechanism

An attacker with valid administrator credentials can exploit these vulnerabilities by sending crafted HTTP requests to the affected device.

Mitigation and Prevention

To secure your systems from CVE-2021-1307, follow the subsequent steps.

Immediate Steps to Take

Ensure restricted access to affected devices and monitor network traffic for any unusual activities.

Long-Term Security Practices

Regularly update systems, apply security patches promptly, and restrict access to administrative interfaces.

Patching and Updates

Stay informed about security advisories and apply patches released by Cisco to address these vulnerabilities.