CVE-2021-1610 : What You Need to Know

Multiple vulnerabilities have been identified in the web-based management interface of the Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers. Attackers could exploit these vulnerabilities to execute arbitrary code, cause denial of service (DoS) conditions, and execute arbitrary commands.

Understanding CVE-2021-1610

This is a critical CVE affecting Cisco Small Business RV Series Router Firmware.

What is CVE-2021-1610?

The CVE-2021-1610 vulnerability pertains to multiple flaws in the web-based management interface of specific Cisco routers, enabling attackers to perform various malicious activities.

The Impact of CVE-2021-1610

The impact of this CVE is rated as critical, with a CVSS base score of 9.8. The vulnerabilities could lead to significant confidentiality, integrity, and availability impacts.

Technical Details of CVE-2021-1610

These are the technical aspects associated with CVE-2021-1610.

Vulnerability Description

The vulnerabilities allow attackers to execute arbitrary code, trigger DoS conditions, and run arbitrary commands on the affected routers.

Affected Systems and Versions

The Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers using specific firmware versions are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit these vulnerabilities through the web-based management interface of the affected Cisco routers.

Mitigation and Prevention

Here are the measures to mitigate and prevent exploitation of CVE-2021-1610.

Immediate Steps to Take

Update the firmware of the affected routers immediately to patch the vulnerabilities.
Limit external access to the router's management interface.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and apply security patches provided by Cisco.
Conduct security assessments and audits of network infrastructure.

Patching and Updates

Cisco has released patches to address these vulnerabilities. Ensure timely installation of the latest firmware updates to secure the routers against potential exploitation.