CVE-2021-44148 : Security Advisory and Response
Discover how the CVE-2021-44148 issue affects GL.iNet GL-AR150 devices, the potential risks of the XSS vulnerability, and essential mitigation steps to safeguard against attacks.
CVE-2021-44148 relates to a cross-site scripting (XSS) vulnerability in GL.iNet GL-AR150 2.x before 3.x devices when configured as repeaters. Attackers can exploit this vulnerability by creating a malicious SSID.
Understanding CVE-2021-44148
What is CVE-2021-44148?
GL.iNet GL-AR150 devices, when set up as repeaters, are susceptible to XSS through a crafted SSID name.
The Impact of CVE-2021-44148
The XSS vulnerability allows attackers to execute malicious scripts in the context of a user's browser, potentially leading to data theft or unauthorized actions.
Technical Details of CVE-2021-44148
Vulnerability Description
An attacker can carry out a cross-site scripting attack by injecting a malicious XSS payload into the SSID name.
Affected Systems and Versions
- Product: GL.iNet GL-AR150 2.x before 3.x
- Versions: All configurations
Exploitation Mechanism
By creating an SSID with a crafted XSS payload, attackers can trigger the vulnerability on vulnerable devices.
Mitigation and Prevention
Immediate Steps to Take
- Disable the repeater functionality on GL.iNet GL-AR150 devices if not necessary
- Regularly monitor for any abnormal SSID names
- Employ network intrusion detection systems
Long-Term Security Practices
- Keep devices up to date with the latest firmware releases
- Implement network segmentation to contain potential attacks
Patching and Updates
Ensure timely installation of security patches and updates provided by GL.iNet.