CVE-2021-1172 : Vulnerability Insights and Analysis

Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are impacted by multiple vulnerabilities that could allow a remote attacker to execute arbitrary code or trigger unexpected device restarts through the web-based management interface.

Understanding CVE-2021-1172

This CVE involves vulnerabilities in Cisco Small Business RV Series Router Firmware that could be exploited by authenticated remote attackers to compromise the affected devices.

What is CVE-2021-1172?

The vulnerabilities result from inadequate validation of user input in the routers' web-based management interface. Attackers can leverage this flaw by sending malicious HTTP requests to the targeted device, potentially leading to arbitrary code execution or denial of service attacks.

The Impact of CVE-2021-1172

The severity of these vulnerabilities is rated as high due to the possibility of executing unauthorized code or causing disruptive device reloads, impacting confidentiality, integrity, and availability.

Technical Details of CVE-2021-1172

The following technical aspects provide insights into the specifics of this CVE:

Vulnerability Description

The vulnerabilities stem from improper input validation in the web-based management interface, enabling attackers to exploit the system through crafted HTTP requests.

Affected Systems and Versions

Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected by these security flaws.

Exploitation Mechanism

Successful exploitation of these vulnerabilities requires an authenticated attacker with valid administrator credentials to send malicious HTTP requests to the targeted device.

Mitigation and Prevention

Understanding how to mitigate and prevent the impact of CVE-2021-1172 is crucial for maintaining network security.

Immediate Steps to Take

As a preventive measure, users should enforce strong access controls, monitor network traffic for suspicious activity, and restrict access to the affected devices.

Long-Term Security Practices

Regular security audits, firmware updates, and employee training on cybersecurity best practices can enhance the overall resilience of network infrastructure.

Patching and Updates

Although Cisco has yet to release specific software patches addressing these vulnerabilities, users are advised to stay informed about security advisories and apply updates promptly once they become available.