CVE-2021-1187 : 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-2021-1187

This CVE pertains to multiple vulnerabilities found in the mentioned Cisco RV series routers, enabling attackers to execute arbitrary code or trigger unexpected restarts.

What is CVE-2021-1187?

The vulnerability arises from improper validation of user-supplied input in the routers' web-based management interface, potentially leading to code execution or denial of service.

The Impact of CVE-2021-1187

The vulnerabilities could allow attackers to exploit the affected devices by sending crafted HTTP requests, granting them root user access or causing DoS conditions.

Technical Details of CVE-2021-1187

The following provides detailed technical insights regarding the CVE:

Vulnerability Description

The vulnerabilities stem from inadequate validation of user input within the web management interface.

Affected Systems and Versions

The Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected, with no specific version mentioned.

Exploitation Mechanism

Attackers with valid administrator credentials on the affected devices can potentially exploit these vulnerabilities.

Mitigation and Prevention

Protecting your systems against CVE-2021-1187 is crucial, follow the below steps:

Immediate Steps to Take

Ensure all system administrators are vigilant and monitor for any suspicious activities on the network.

Long-Term Security Practices

Regularly update your systems, implement strong password policies, and restrict network access to authorized personnel only.

Patching and Updates

As of now, Cisco has not released software updates addressing these vulnerabilities.