CVE-2022-20902 : Vulnerability Insights and Analysis
Discover the impact and mitigation steps for CVE-2022-20902 affecting Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers. Learn about the technical details and preventive measures.
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected by remote command execution and denial of service vulnerabilities. Find out the impact, technical details, and mitigation steps below.
Understanding CVE-2022-20902
This CVE identifies multiple vulnerabilities in the web-based management interface of certain Cisco routers that could allow an attacker to execute arbitrary code or cause a denial of service condition.
What is CVE-2022-20902?
The vulnerabilities in Cisco Small Business RV Series Routers enable an authenticated remote attacker to execute commands with root-level privileges or disrupt the device's operation via crafted HTTP requests.
The Impact of CVE-2022-20902
These vulnerabilities could lead to arbitrary code execution on affected devices, ultimately resulting in unauthorized access, data breaches, and disruption of service availability.
Technical Details of CVE-2022-20902
The following technical aspects shed light on the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
Insufficient validation in user fields of incoming HTTP packets allows attackers to send crafted requests to the web-based management interface, facilitating code execution or service disruption.
Affected Systems and Versions
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are impacted by these vulnerabilities with no specific version mentioned.
Exploitation Mechanism
Attackers with valid Administrator credentials exploit the vulnerabilities through crafted HTTP requests, gaining root-level access or causing device restarts.
Mitigation and Prevention
It is crucial to take immediate steps, follow security best practices, and apply necessary patches and updates to safeguard against potential exploits.
Immediate Steps to Take
Ensure router security by changing default credentials, restricting access, and monitoring network traffic for suspicious activities.
Long-Term Security Practices
Regularly update firmware, implement network segmentation, conduct security audits, and educate users on safe browsing practices.
Patching and Updates
Stay informed about vendor advisories, apply security patches promptly, and monitor for any further vulnerability disclosures.