CVE-2020-15489 : Exploit Details and Defense Strategies

An issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Multiple shell metacharacter injection vulnerabilities exist in CGI scripts, leading to remote code execution with root privileges.

Understanding CVE-2020-15489

This CVE involves multiple shell metacharacter injection vulnerabilities on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices, allowing remote code execution with root privileges.

What is CVE-2020-15489?

CVE-2020-15489 is a security vulnerability found in Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices, enabling attackers to execute remote code with root privileges through CGI scripts.

The Impact of CVE-2020-15489

The exploitation of these vulnerabilities can result in unauthorized remote code execution with elevated privileges, posing a severe risk to the affected devices and potentially compromising sensitive data.

Technical Details of CVE-2020-15489

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability involves multiple shell metacharacter injection flaws in CGI scripts on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices, allowing threat actors to execute arbitrary code remotely.

Affected Systems and Versions

Affected Product: Wavlink WL-WN530HG4 M30HG4.V5030.191116
Affected Version: Not specified

Exploitation Mechanism

The vulnerability can be exploited remotely by injecting malicious shell metacharacters into CGI scripts, enabling attackers to execute arbitrary commands with root privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-15489 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable remote access if not required to minimize the attack surface
Implement network segmentation to restrict access to vulnerable devices
Apply firewall rules to filter and monitor incoming and outgoing traffic

Long-Term Security Practices

Regularly update and patch all software and firmware to address known vulnerabilities
Conduct security assessments and penetration testing to identify and remediate weaknesses
Educate users and administrators about secure coding practices and social engineering threats

Patching and Updates

Check for security advisories from the vendor and apply patches promptly to mitigate the vulnerability