CVE-2022-26997 : Vulnerability Insights and Analysis

Arris TR3300 v1.0.13 was discovered to contain a command injection vulnerability in the upnp function via the upnp_ttl parameter, allowing attackers to execute arbitrary commands.

Understanding CVE-2022-26997

This section delves into the details of the CVE-2022-26997 vulnerability.

What is CVE-2022-26997?

Arris TR3300 v1.0.13 is vulnerable to a command injection flaw in the upnp function through the upnp_ttl parameter. Threat actors can exploit this vulnerability to run malicious commands using a specifically crafted request.

The Impact of CVE-2022-26997

The vulnerability in Arris TR3300 v1.0.13 poses a significant risk as attackers can remotely execute unauthorized commands on affected devices, compromising data integrity and system security.

Technical Details of CVE-2022-26997

This section provides technical insights into CVE-2022-26997.

Vulnerability Description

The vulnerability lies in the upnp function of Arris TR3300 v1.0.13, triggered by the upnp_ttl parameter. This flaw enables threat actors to execute arbitrary commands through crafted requests.

Affected Systems and Versions

Arris TR3300 v1.0.13 is confirmed to be affected by this vulnerability. Other specific versions or products may also be at risk.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests containing malicious commands, taking advantage of the upnp_ttl parameter.

Mitigation and Prevention

Protect your system from CVE-2022-26997 using the following strategies.

Immediate Steps to Take

Disable or restrict access to the affected upnp function in Arris TR3300 v1.0.13.
Implement firewall rules to filter traffic targeting the upnp_ttl parameter.

Long-Term Security Practices

Regularly update firmware patches provided by the vendor to fix known vulnerabilities.
Conduct security audits and penetration testing to identify and remediate potential security weaknesses.

Patching and Updates

Stay informed about security advisories from the vendor and promptly apply patches and updates to safeguard your system.