CVE-2017-18734 : Exploit Details and Defense Strategies

Certain NETGEAR devices are vulnerable to command injection from unauthorized attackers. The affected device models include JNR1010v2, JR6150, JWNR2010v5, PR2000, R6050, R6220, R6700v2, R6800, R6900v2, WNDR3700v5, WNR1000v4, WNR2020, and WNR2050.

Understanding CVE-2017-18734

This CVE identifies a command injection vulnerability in specific NETGEAR devices, potentially allowing unauthorized attackers to execute commands.

What is CVE-2017-18734?

CVE-2017-18734 is a security vulnerability that enables unauthenticated attackers to perform command injection on certain NETGEAR routers and extenders.

The Impact of CVE-2017-18734

The vulnerability has a CVSS base score of 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected devices.

Technical Details of CVE-2017-18734

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows unauthenticated attackers to inject and execute arbitrary commands on the affected NETGEAR devices.

Affected Systems and Versions

JNR1010v2 (versions before 1.1.0.44)
JR6150 (versions before 1.0.1.10)
JWNR2010v5 (versions before 1.1.0.44)
PR2000 (versions before 1.0.0.18)
R6050 (versions before 1.0.1.10)
R6220 (versions before 1.1.0.50)
R6700v2 (versions before 1.2.0.4)
R6800 (versions before 1.2.0.4)
R6900v2 (versions before 1.2.0.4)
WNDR3700v5 (versions before 1.1.0.48)
WNR1000v4 (versions before 1.1.0.44)
WNR2020 (versions before 1.1.0.44)
WNR2050 (versions before 1.1.0.44)

Exploitation Mechanism

The vulnerability can be exploited by sending crafted requests to the affected devices, allowing attackers to execute malicious commands remotely.

Mitigation and Prevention

Protecting against CVE-2017-18734 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the firmware of the affected devices to the latest patched versions.
Implement strong network access controls to limit unauthorized access.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all network devices to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate potential risks.
Educate users and administrators about secure configuration practices.

Patching and Updates

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