Learn about CVE-2021-1322 affecting Cisco Small Business RV Series Routers. Discover the impact, technical details, and mitigation steps to secure your devices.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers could allow remote attackers to execute arbitrary code or cause denial of service. Find out more about the impact, technical details, and mitigation steps below.
Understanding CVE-2021-1322
This CVE involves security vulnerabilities in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers.
What is CVE-2021-1322?
The vulnerabilities in the affected routers could enable authenticated remote attackers to execute arbitrary code or disrupt device functionality by exploiting improper validation of user inputs.
The Impact of CVE-2021-1322
Successful exploitation could result in remote code execution with root user privileges or cause devices to reload unexpectedly, leading to a denial of service condition.
Technical Details of CVE-2021-1322
These technical insights help in understanding the vulnerability better.
Vulnerability Description
The vulnerabilities stem from inadequate validation of user-supplied inputs in the affected routers' web-based management interface.
Affected Systems and Versions
The impacted systems include Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by sending specially crafted HTTP requests to the targeted devices.
Mitigation and Prevention
Taking immediate steps and adopting long-term security measures can help prevent exploitation of this vulnerability.
Immediate Steps to Take
Users should ensure they have administrator credentials to access the affected devices and consider restricting network access where possible.
Long-Term Security Practices
Regularly monitor for security updates from Cisco and implement them promptly to address potential vulnerabilities.
Patching and Updates
Stay informed about patches and updates released by Cisco to mitigate the risks associated with CVE-2021-1322.