CVE-2022-26995 : What You Need to Know

Arris TR3300 v1.0.13 has been found to have a command injection vulnerability, allowing attackers to execute arbitrary commands through a crafted request.

Understanding CVE-2022-26995

This CVE describes a command injection vulnerability present in Arris TR3300 v1.0.13, specifically in the pptp function.

What is CVE-2022-26995?

The vulnerability in the pptp (wan_pptp.html) function of Arris TR3300 v1.0.13 allows attackers to execute arbitrary commands using specific parameters, posing a significant security risk.

The Impact of CVE-2022-26995

Exploiting this vulnerability can lead to unauthorized remote command execution, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2022-26995

Below are the technical details related to this CVE:

Vulnerability Description

The vulnerability resides in the pptp_fix_ip, pptp_fix_mask, pptp_fix_gw, and wan_dns1_stat parameters, enabling attackers to inject and execute malicious commands remotely.

Affected Systems and Versions

Arris TR3300 v1.0.13 is specifically affected by this vulnerability, and systems running this version are at risk.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a crafted request to the vulnerable pptp function, manipulating the mentioned parameters to execute unauthorized commands.

Mitigation and Prevention

To safeguard systems from the CVE-2022-26995 vulnerability, consider the following measures:

Immediate Steps to Take

Disable remote access if not required
Regularly monitor network traffic for any suspicious activities
Implement firewall rules to restrict unauthorized access

Long-Term Security Practices

Keep software and firmware up to date
Conduct regular security assessments and audits
Educate users on safe browsing practices and social engineering awareness

Patching and Updates

Apply patches and updates provided by the vendor to address and mitigate the vulnerability in Arris TR3300 v1.0.13.