CVE-2021-44620 : What You Need to Know

A Command Injection vulnerability exists in TOTOLINK A3100R <=V4.1.2cu.5050_B20200504 in adm/ntm.asp via the hosTime parameters.

Understanding CVE-2021-44620

This CVE discloses a Command Injection vulnerability found in TOTOLINK A3100R.

What is CVE-2021-44620?

Command Injection vulnerability in TOTOLINK A3100R allows attackers to execute arbitrary commands through the hosTime parameter.

The Impact of CVE-2021-44620

Attackers can potentially gain unauthorized access and control over the affected system.
Sensitive data may be compromised due to the execution of arbitrary commands.

Technical Details of CVE-2021-44620

The technical details of the vulnerability.

Vulnerability Description

Vulnerability Type: Command Injection
Vulnerable Component: TOTOLINK A3100R
Affected Version: <=V4.1.2cu.5050_B20200504

Affected Systems and Versions

TOTOLINK A3100R with version <=V4.1.2cu.5050_B20200504

Exploitation Mechanism

Attackers exploit the vulnerability through the hosTime parameter, allowing them to inject and execute commands.

Mitigation and Prevention

Steps to mitigate and prevent exploitation.

Immediate Steps to Take

Update TOTOLINK A3100R to a fixed version if available.
Implement strong input validation to prevent command injections.

Long-Term Security Practices

Conduct regular security assessments to identify and address vulnerabilities.
Educate users on secure coding practices to prevent similar issues in the future.

Patching and Updates

Monitor for vendor patches and apply them promptly to secure the system.