CVE-2017-18866 Explained : Impact and Mitigation
Learn about CVE-2017-18866, a stored XSS vulnerability affecting NETGEAR devices like R9000, R6100, and more. Find out the impact, affected systems, and mitigation steps.
Stored XSS poses a threat to specific NETGEAR devices including R9000, R6100, 6R7500, R7500v2, R7800, WNDR4300v2, and WNR2000v5.
Understanding CVE-2017-18866
This CVE involves stored cross-site scripting (XSS) vulnerabilities in certain NETGEAR devices.
What is CVE-2017-18866?
Stored XSS vulnerability impacting NETGEAR devices such as R9000, R6100, 6R7500, R7500v2, R7800, WNDR4300v2, and WNR2000v5.
The Impact of CVE-2017-18866
- CVSS Base Score: 5.2 (Medium Severity)
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- User Interaction: Required
- Confidentiality and Integrity Impact: Low
- No Privileges Required
- Scope: Changed
- No Availability Impact
Technical Details of CVE-2017-18866
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows attackers to execute malicious scripts in the context of a user's browser on the affected NETGEAR devices.
Affected Systems and Versions
- R9000 (version earlier than 1.0.2.40)
- R6100 (version earlier than 1.0.1.1)
- 6R7500 (version earlier than 1.0.0.110)
- R7500v2 (version earlier than 1.0.3.20)
- R7800 (version earlier than 1.0.2.36)
- WNDR4300v2 (version earlier than 1.0.0.48)
- WNR2000v5 (version earlier than 1.0.0.58)
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into specific fields or parameters on the affected devices.
Mitigation and Prevention
Protecting systems from CVE-2017-18866 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the firmware of the affected NETGEAR devices to versions that address the XSS vulnerability.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update firmware and security patches on all network devices.
- Educate users about the risks of XSS attacks and safe browsing practices.
Patching and Updates
- NETGEAR has released patches to fix the XSS vulnerability in the affected device versions.