CVE-2020-35838 : Security Advisory and Response
Learn about CVE-2020-35838, a medium severity XSS vulnerability affecting certain NETGEAR router models. Find out the impacted systems, exploitation risks, and mitigation steps.
Certain NETGEAR devices are affected by stored XSS vulnerabilities, impacting various router models.
Understanding CVE-2020-35838
What is CVE-2020-35838?
CVE-2020-35838 refers to stored cross-site scripting (XSS) vulnerabilities found in specific NETGEAR router models.
The Impact of CVE-2020-35838
The vulnerability has a CVSS base score of 6.1, indicating a medium severity level with high confidentiality and integrity impacts.
Technical Details of CVE-2020-35838
Vulnerability Description
The vulnerability allows attackers to execute malicious scripts in the context of a user's session on affected NETGEAR routers.
Affected Systems and Versions
- D7800 before 1.0.1.56
- R7500v2 before 1.0.3.46
- R7800 before 1.0.2.74
- R8900 before 1.0.4.28
- R9000 before 1.0.4.28
- RAX120 before 1.0.0.78
- XR500 before 2.3.2.56
- XR700 before 1.0.1.10
Exploitation Mechanism
The vulnerability can be exploited by an attacker with high privileges, requiring no user interaction, and affecting adjacent network systems.
Mitigation and Prevention
Immediate Steps to Take
- Update affected NETGEAR routers to the latest firmware versions.
- Regularly monitor NETGEAR security advisories for any new updates or patches.
Long-Term Security Practices
- Implement strong password policies for router access.
- Enable firewall settings and restrict access to the router's administration interface.
- Regularly conduct security audits and penetration testing on network devices.
Patching and Updates
Apply patches and firmware updates provided by NETGEAR to address the XSS vulnerabilities in the affected router models.