Discover the impact and mitigation strategies for CVE-2021-1342 affecting Cisco Small Business RV Series Routers. Learn about the vulnerabilities and how to secure your systems.
A detailed overview of multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers that could lead to remote command execution and denial of service.
Understanding CVE-2021-1342
This CVE affects Cisco Small Business RV Series Routers, potentially allowing attackers to execute arbitrary code or cause unexpected device restarts.
What is CVE-2021-1342?
Multiple vulnerabilities in Cisco Small Business RV Series Routers' web-based management interface could be exploited by authenticated remote attackers to execute arbitrary code or trigger device reloads.
The Impact of CVE-2021-1342
The vulnerabilities may result in the execution of arbitrary code with root user privileges or lead to denial of service conditions on affected devices.
Technical Details of CVE-2021-1342
An in-depth look into the vulnerability description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
Improper validation of user input in the web-based management interface allows attackers to send crafted HTTP requests leading to code execution or device reloads.
Affected Systems and Versions
The issue impacts Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers with firmware versions marked as 'n/a'.
Exploitation Mechanism
Attackers with valid administrator credentials can exploit these vulnerabilities by sending malicious HTTP requests to the devices.
Mitigation and Prevention
Understanding the steps required to address and prevent potential exploitation of CVE-2021-1342.
Immediate Steps to Take
Ensure all Cisco Small Business RV Series Routers are updated with the latest firmware and consider limiting network access to the web-based management interface.
Long-Term Security Practices
Regularly monitor Cisco security advisories for updates and apply security best practices to mitigate similar vulnerabilities in the future.
Patching and Updates
Stay informed about patches and updates released by Cisco to address the vulnerabilities identified in CVE-2021-1342.