CVE-2023-4412 : Vulnerability Insights and Analysis

This CVE-2023-4412 pertains to a critical vulnerability found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023, specifically affecting the function setWanCfg. The vulnerability is related to OS command injection and has a CVSS base score of 6.3, marking it as a medium severity issue. The exploit allows for remote initiation and has been publicly disclosed.

Understanding CVE-2023-4412

This section will delve into what CVE-2023-4412 entails, its impact, technical details, and mitigation strategies.

What is CVE-2023-4412?

CVE-2023-4412 is centered around an OS command injection vulnerability discovered in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023, particularly affecting the setWanCfg function. This flaw allows for unauthorized manipulation leading to the execution of arbitrary commands, potentially exploited remotely.

The Impact of CVE-2023-4412

With a base severity of medium and a CVSS score of 6.3, this vulnerability poses a significant risk to affected systems. Attackers could exploit this flaw to execute malicious commands, compromising system integrity and potentially leading to further security breaches.

Technical Details of CVE-2023-4412

Understanding the specifics of CVE-2023-4412 is crucial for effectively addressing and mitigating the vulnerability.

Vulnerability Description

The vulnerability involves an OS command injection within the setWanCfg function of TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023. By manipulating inputs, threat actors can execute unauthorized commands, potentially causing system compromise.

Affected Systems and Versions

The issue impacts TOTOLINK EX1200L devices running version EN_V9.3.5u.6146_B20201023. Systems using this specific version are vulnerable to the OS command injection exploit.

Exploitation Mechanism

Exploiting CVE-2023-4412 requires remote access to the affected system. By sending crafted input data to the setWanCfg function, attackers can inject malicious commands, enabling unauthorized control over the device.

Mitigation and Prevention

Addressing and preventing CVE-2023-4412 is essential to safeguard affected systems and prevent potential security breaches.

Immediate Steps to Take

Update TOTOLINK EX1200L devices to a secure, patched version to mitigate the vulnerability.
Implement network security measures to restrict unauthorized access and prevent remote exploitation.

Long-Term Security Practices

Regularly monitor and update software to address known vulnerabilities promptly.
Conduct security assessments and penetration testing to identify and remediate potential security weaknesses.

Patching and Updates

Stay informed about security advisories and patches released by TOTOLINK for the EX1200L series. Apply updates promptly to ensure protection against known vulnerabilities.