CVE-2021-45619 is a critical command injection vulnerability affecting certain NETGEAR devices, including models such as EX6200v2, EX6250, EX8000, and others. This vulnerability allows unauthenticated attackers to execute arbitrary commands, posing significant security risks. With a CVSS score of 9.6, this vulnerability demands immediate attention from organizations using affected devices.
The risk to organizations includes unauthorized access and control over network resources, which can lead to data breaches and service disruptions. Attackers may leverage this vulnerability to infiltrate networks and exploit sensitive information. Given its severity, organizations should prioritize patching immediately.
As of now, there are no known public exploits or evidence of active exploitation in the wild. However, the potential impact is severe, and organizations are urged to remain vigilant and ensure they are protected against potential threats.
To mitigate this risk, organizations should assess their NETGEAR devices and implement the necessary patches as soon as they become available. Regular security assessments and updates are crucial in maintaining a robust security posture.
Vulnerability Details
The official description states that certain NETGEAR devices are impacted by command injection vulnerabilities. Detailed models affected include EX6200v2, EX6250, EX7700, EX8000, and many others, with firmware versions prior to specified thresholds being vulnerable. The vulnerability was published on December 26, 2021.
The CVSS score for this vulnerability is 9.6, categorized as critical. This score reflects its high potential for confidentiality, integrity, and availability impacts.
Technical Analysis
The root cause of the vulnerability lies in insufficient input validation, which allows for command injection by an unauthenticated user. The attack vector is through the adjacent network, requiring low complexity to exploit, and no privileges or user interaction is needed. The potential impacts include high confidentiality, integrity, and availability risks.
Risk & Impact Analysis
Organizations utilizing affected NETGEAR devices are at significant risk. The blast radius includes any device on the local network, which could lead to widespread exploitation. Given the critical nature of this vulnerability, organizations should address it in their priority patch cycle.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions include various NETGEAR firmware releases: EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.134, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, LBR1020 before 2.6.3.58, R7800 before 1.0.2.80, R8900 before 1.0.5.26, and others.
Mitigation & Remediation
Organizations must apply the latest firmware updates provided by NETGEAR to remediate this vulnerability. If immediate patching is not feasible, consider implementing strict network controls to limit access to vulnerable devices. Regular monitoring and security assessments will help identify any potential exploitation attempts.
Detection Guidance
Monitoring system logs for unusual command execution patterns and ensuring that any unauthorized access attempts are flagged will aid in the early detection of exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2021-45619 lies in the continued prevalence of command injection vulnerabilities in network devices. Such vulnerabilities often lead to significant security breaches, emphasizing the need for robust security testing and proactive measures. Security teams should prioritize strengthening their defenses against similar vulnerabilities by adopting best practices in secure coding and regular security assessments.
For organizations utilizing NETGEAR devices, integrating a comprehensive penetration testing program into their security practices is crucial for identifying and addressing such vulnerabilities effectively.
Furthermore, the adoption of continuous monitoring practices will allow organizations to stay ahead of potential threats and improve their overall security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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