CVE-2022-26996 Explained : Impact and Mitigation

A command injection vulnerability has been discovered in Arris TR3300 v1.0.13, specifically in the pppoe function. This vulnerability allows attackers to execute arbitrary commands through manipulated requests.

Understanding CVE-2022-26996

This CVE-2022-26996 pertains to a command injection flaw found in Arris TR3300 v1.0.13 that can be exploited via certain parameters in the pppoe function.

What is CVE-2022-26996?

The vulnerability in Arris TR3300 v1.0.13 enables threat actors to run arbitrary commands by utilizing the pppoe_username, pppoe_passwd, and pppoe_servicename parameters.

The Impact of CVE-2022-26996

The impact of this vulnerability is severe as it allows unauthorized individuals to execute commands of their choice on affected systems, leading to potential data breaches and system compromise.

Technical Details of CVE-2022-26996

This section delves into the specifics of the vulnerability, affected systems, and the mechanism of exploitation.

Vulnerability Description

The command injection flaw in Arris TR3300 v1.0.13 occurs in the pppoe function due to insufficient input validation, enabling attackers to perform unauthorized command execution.

Affected Systems and Versions

The affected system is Arris TR3300 version 1.0.13. Users with this specific version are at risk of exploitation until a patch is implemented.

Exploitation Mechanism

By manipulating the pppoe_username, pppoe_passwd, and pppoe_servicename parameters, threat actors can inject and execute malicious commands on the targeted system.

Mitigation and Prevention

To address CVE-2022-26996, immediate action and long-term security measures are crucial.

Immediate Steps to Take

It is recommended to restrict access to potentially vulnerable services, monitor network traffic for any anomalies, and promptly apply security patches when available.

Long-Term Security Practices

Implementing strong input validation, conducting regular security audits, and educating users on safe computing practices can help enhance the overall security posture.

Patching and Updates

Vendor-supplied patches play a vital role in remediation. Stay informed about security updates for Arris TR3300 v1.0.13 and apply patches as soon as they are released.