CVE-2017-18781 Explained : Impact and Mitigation

CSRF vulnerabilities have been discovered in several models of NETGEAR devices. These include D6200 versions prior to 1.1.00.24, D7000 versions prior to 1.0.1.52, JNR1010v2 versions prior to 1.1.0.44, JWNR2010v5 versions prior to 1.1.0.44, JR6150 versions prior to 1.0.1.12, PR2000 versions prior to 1.0.0.20, R6020 versions prior to 1.0.0.26, R6050 versions prior to 1.0.1.12, R6080 versions prior to 1.0.0.26, R6120 versions prior to 1.0.0.36, R6220 versions prior to 1.1.0.60, R6700v2 versions prior to 1.2.0.12, R6800 versions prior to 1.2.0.12, R6900v2 versions prior to 1.2.0.12, WNDR3700v5 versions prior to 1.1.0.50, WNR1000v4 versions prior to 1.1.0.44, WNR2020 versions prior to 1.1.0.44, and WNR2050 versions prior to 1.1.0.44.

Understanding CVE-2017-18781

This CVE involves CSRF vulnerabilities in various NETGEAR device models.

What is CVE-2017-18781?

CVE-2017-18781 refers to Cross-Site Request Forgery vulnerabilities found in multiple NETGEAR devices.

The Impact of CVE-2017-18781

The vulnerability has a CVSS v3.0 base score of 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2017-18781

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

Vulnerability Description

The CSRF vulnerability allows attackers to perform unauthorized actions on behalf of authenticated users.

Affected Systems and Versions

D6200 versions prior to 1.1.00.24
D7000 versions prior to 1.0.1.52
JNR1010v2 versions prior to 1.1.0.44
JWNR2010v5 versions prior to 1.1.0.44
JR6150 versions prior to 1.0.1.12
PR2000 versions prior to 1.0.0.20
R6020 versions prior to 1.0.0.26
R6050 versions prior to 1.0.1.12
R6080 versions prior to 1.0.0.26
R6120 versions prior to 1.0.0.36
R6220 versions prior to 1.1.0.60
R6700v2 versions prior to 1.2.0.12
R6800 versions prior to 1.2.0.12
R6900v2 versions prior to 1.2.0.12
WNDR3700v5 versions prior to 1.1.0.50
WNR1000v4 versions prior to 1.1.0.44
WNR2020 versions prior to 1.1.0.44
WNR2050 versions prior to 1.1.0.44

Exploitation Mechanism

The vulnerability can be exploited by tricking authenticated users into executing malicious actions without their consent.

Mitigation and Prevention

Protecting systems from CVE-2017-18781 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by NETGEAR for the affected devices.
Monitor network traffic for any suspicious activities.
Educate users about CSRF attacks and safe browsing practices.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement strong authentication mechanisms to prevent unauthorized access.
Conduct regular security audits and penetration testing to identify and address security weaknesses.

Patching and Updates

Ensure that all NETGEAR devices are running the latest firmware versions with security patches applied.