CVE-2017-18762 : Vulnerability Insights and Analysis

A command injection vulnerability affecting certain NETGEAR devices has been identified, allowing unauthorized attackers to exploit the issue. The impacted models include D3600, D6000, D6100, R6100, R6900P, R7000, R7000P, R7100LG, WNDR3700v4, WNDR4300v1, WNDR4300v2, WNDR4500v3, and WNR2000v5.

Understanding CVE-2017-18762

This CVE involves a command injection vulnerability in specific NETGEAR devices, potentially leading to severe consequences if exploited.

What is CVE-2017-18762?

CVE-2017-18762 refers to a security flaw in NETGEAR devices that allows unauthorized individuals to execute commands on the affected devices.

The Impact of CVE-2017-18762

The vulnerability has a high severity level with significant impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2017-18762

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability enables unauthenticated attackers to perform command injections on the impacted NETGEAR devices.

Affected Systems and Versions

D3600 (versions before 1.0.0.68)
D6000 (versions before 1.0.0.68)
D6100 (versions before 1.0.0.57)
R6100 (versions before 1.0.1.16)
R6900P (versions before 1.2.0.22)
R7000 (versions before 1.0.9.10)
R7000P (versions before 1.2.0.22)
R7100LG (versions before 1.0.0.40)
WNDR3700v4 (versions before 1.0.2.88)
WNDR4300v1 (versions before 1.0.2.90)
WNDR4300v2 (versions before 1.0.0.48)
WNDR4500v3 (versions before 1.0.0.48)
WNR2000v5 (versions before 1.0.0.58)

Exploitation Mechanism

The vulnerability can be exploited by sending crafted commands to the affected devices, potentially leading to unauthorized access and control.

Mitigation and Prevention

Protecting systems from CVE-2017-18762 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the firmware of the affected NETGEAR devices to the latest patched versions.
Implement network segmentation to limit access to vulnerable devices.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all network-connected devices.
Conduct security assessments and penetration testing to identify vulnerabilities.
Educate users and administrators about secure practices to prevent unauthorized access.

Patching and Updates

NETGEAR has released patches for the affected devices. Ensure timely installation of these updates to mitigate the risk of exploitation.