CVE-2020-14440 : What You Need to Know

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This vulnerability impacts various NETGEAR models before specific firmware versions.

Understanding CVE-2020-14440

This CVE identifies a critical vulnerability in NETGEAR devices that allows unauthenticated attackers to execute commands through command injection.

What is CVE-2020-14440?

CVE-2020-14440 is a security vulnerability that affects multiple NETGEAR devices, enabling unauthorized command execution by attackers without authentication.

The Impact of CVE-2020-14440

The vulnerability has a CVSS base score of 9.6, indicating a critical severity level. It poses a high risk to confidentiality and integrity, with low complexity for attackers to exploit.

Technical Details of CVE-2020-14440

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows unauthenticated attackers to perform command injection on affected NETGEAR devices, compromising system integrity and confidentiality.

Affected Systems and Versions

RBK752, RBK753, RBK753S, RBR750, RBS750, RBK842, RBR840, RBS840, RBK852, RBK853, RBR850, and RBS850 before firmware version 3.2.15.25.

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: None
Scope: Changed
User Interaction: None
Vector String: CVSS:3.0/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:C/UI:N

Mitigation and Prevention

Protecting systems from CVE-2020-14440 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected devices to the latest firmware version that addresses the vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

NETGEAR has released firmware updates to mitigate the vulnerability. Ensure timely installation of these updates to secure the affected devices.