CVE-2020-19320 : What You Need to Know

A buffer overflow vulnerability in DLINK 619L version B 2.06beta via the curTime parameter on login.

Understanding CVE-2020-19320

This CVE involves a buffer overflow vulnerability in DLINK 619L version B 2.06beta that can be exploited through the curTime parameter during login.

What is CVE-2020-19320?

CVE-2020-19320 is a security vulnerability found in DLINK 619L version B 2.06beta, allowing attackers to trigger a buffer overflow by manipulating the curTime parameter during the login process.

The Impact of CVE-2020-19320

This vulnerability could potentially lead to remote code execution, unauthorized access to sensitive information, or denial of service attacks on the affected system.

Technical Details of CVE-2020-19320

Vulnerability Description

The vulnerability arises from improper input validation on the curTime parameter, enabling attackers to overwrite the buffer and potentially execute malicious code.

Affected Systems and Versions

Vendor: DLINK
Product: 619L version B 2.06beta
Affected Version: All versions

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted input via the curTime parameter, causing a buffer overflow and potentially gaining unauthorized access or disrupting the system.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access if not required
Implement network segmentation to limit exposure
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update firmware and software patches
Conduct security assessments and penetration testing
Educate users on safe computing practices

Patching and Updates

Check the vendor's security bulletin for patches and updates
Apply the latest firmware or software fixes to address the vulnerability