CVE-2021-45837 : Vulnerability Insights and Analysis

Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) allows for the execution of arbitrary commands as root through a crafted input.

Understanding CVE-2021-45837

A vulnerability in Terramaster F4-210, F2-210 TOS 4.2.X could lead to the execution of unauthorized commands.

What is CVE-2021-45837?

The CVE-2021-45837 vulnerability enables attackers to run arbitrary commands as the root user on Terramaster F4-210, F2-210 TOS 4.2.X systems.

The Impact of CVE-2021-45837

Exploitation of this vulnerability allows threat actors to execute malicious commands with elevated privileges, potentially leading to system compromise.

Technical Details of CVE-2021-45837

Detailed technical information about the CVE-2021-45837 vulnerability.

Vulnerability Description

A flaw in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) permits the execution of arbitrary commands by manipulating input to /tos/index.php?app/del.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Version: n/a (affected)

Exploitation Mechanism

Malicious actors can exploit this vulnerability by sending specifically crafted input to the /tos/index.php?app/del endpoint, gaining unauthorized root access.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2021-45837 vulnerability.

Immediate Steps to Take

Update Terramaster F4-210, F2-210 TOS 4.2.X to a secure version.
Monitor system logs for any suspicious activities.
Apply network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Implement regular security audits to detect vulnerabilities.
Enforce the principle of least privilege to restrict unnecessary access.

Patching and Updates

Install security patches provided by Terramaster promptly.