CVE-2020-7249 : Exploit Details and Defense Strategies

SMC D3G0804W 3.5.2.5-LAT_GA devices are vulnerable to XSS attacks via the SSID field on the WiFi Network Configuration page.

Understanding CVE-2020-7249

This CVE entry describes a cross-site scripting (XSS) vulnerability in SMC D3G0804W 3.5.2.5-LAT_GA devices.

What is CVE-2020-7249?

CVE-2020-7249 is a security vulnerability that allows attackers to execute malicious scripts in the context of an admin user's session by injecting code into the SSID field on the WiFi Network Configuration page.

The Impact of CVE-2020-7249

This vulnerability could be exploited by attackers to steal sensitive information, perform unauthorized actions, or compromise the security of the affected devices.

Technical Details of CVE-2020-7249

Vulnerability Description

The XSS vulnerability in SMC D3G0804W 3.5.2.5-LAT_GA devices enables attackers to inject and execute malicious scripts through the SSID field.

Affected Systems and Versions

Product: SMC D3G0804W 3.5.2.5-LAT_GA
Vendor: SMC
Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting malicious code into the SSID field after successfully logging in as an admin user.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access to the device if not required.
Regularly monitor network traffic for any suspicious activities.
Implement strong password policies for admin accounts.

Long-Term Security Practices

Keep the device firmware up to date with the latest security patches.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply patches and updates provided by the vendor to mitigate the XSS vulnerability in SMC D3G0804W 3.5.2.5-LAT_GA devices.