CVE-2022-35269 : Exploit Details and Defense Strategies

A denial of service vulnerability exists in the web_server hashFirst functionality of Robustel R1510 3.1.16 and 3.3.0. This vulnerability can be triggered by a specially-crafted network request, resulting in denial of service in the

/action/import_e2c_json_file/

API.

Understanding CVE-2022-35269

This section provides insights into the impact and technical details of CVE-2022-35269.

What is CVE-2022-35269?

CVE-2022-35269 is a denial of service vulnerability found in the web_server hashFirst feature of Robustel R1510 versions 3.1.16 and 3.3.0. Attackers can exploit this vulnerability using a crafted network request.

The Impact of CVE-2022-35269

Exploiting this vulnerability can lead to a denial of service condition, impacting the availability of affected systems and services.

Technical Details of CVE-2022-35269

In this section, we delve into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper input validation in the web_server hashFirst functionality of Robustel R1510 versions 3.1.16 and 3.3.0, allowing attackers to trigger a denial of service.

Affected Systems and Versions

Robustel R1510 versions 3.1.16 and 3.3.0 are affected by this vulnerability, potentially impacting systems running these versions.

Exploitation Mechanism

By sending a specially-crafted sequence of requests to the

/action/import_e2c_json_file/

API, attackers can trigger the denial of service vulnerability.

Mitigation and Prevention

This section offers guidance on immediate steps to take and long-term security practices to mitigate the risk of exploitation.

Immediate Steps to Take

Users are advised to apply vendor-supplied patches promptly, restrict network access to vulnerable systems, and monitor for any unusual network activity.

Long-Term Security Practices

Implementing network segmentation, regularly updating software and firmware, and conducting security training for employees can enhance overall security posture.

Patching and Updates

Regularly check for security updates from Robustel and apply patches as soon as they are available to remediate the CVE-2022-35269 vulnerability.