CVE-2021-1175 : What You Need to Know
Discover the impact of CVE-2021-1175 on Cisco Small Business RV Series Routers. Learn about the vulnerability, its technical details, and mitigation steps to enhance your network security.
Cisco Small Business RV Series Routers are impacted by multiple vulnerabilities in their web-based management interface. An attacker could exploit these vulnerabilities to execute arbitrary code or cause a denial of service. Here's what you need to know.
Understanding CVE-2021-1175
This section provides insights into the nature of the vulnerability and its impact.
What is CVE-2021-1175?
The CVE-2021-1175 vulnerability affects Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers. It enables a remote attacker to execute arbitrary code as the root user or cause a denial of service on the device.
The Impact of CVE-2021-1175
The vulnerabilities allow an authenticated attacker to send crafted HTTP requests, leading to arbitrary code execution or device reload. Attackers with valid admin credentials can exploit the flaws.
Technical Details of CVE-2021-1175
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The issues arise from improper input validation in the web-based management interface, letting attackers exploit the vulnerabilities through HTTP requests.
Affected Systems and Versions
The Cisco Small Business RV Series Routers firmware is affected, rendering devices susceptible to remote command execution and denial of service.
Exploitation Mechanism
Attackers can leverage the vulnerabilities by sending specially crafted HTTP requests to the targeted devices.
Mitigation and Prevention
This section outlines the measures to mitigate and prevent exploitation of CVE-2021-1175.
Immediate Steps to Take
Until Cisco releases software updates, users should restrict access to the management interface, monitor network traffic, and apply relevant security policies.
Long-Term Security Practices
Regularly update the router firmware, change default credentials, employ network segmentation, and conduct security assessments to fortify network defenses.
Patching and Updates
Keep abreast of Cisco security advisories and promptly apply any patches or updates released by the vendor.