CVE-2022-35270 : What You Need to Know

A denial of service vulnerability has been discovered 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 by sending a specially-crafted network request to the

/action/import_wireguard_cert_file/

API.

Understanding CVE-2022-35270

This section will cover the details of the CVE-2022-35270 vulnerability.

What is CVE-2022-35270?

The CVE-2022-35270 vulnerability is a denial of service vulnerability found in Robustel R1510 versions 3.1.16 and 3.3.0, where a specially-crafted network request can cause a denial of service condition.

The Impact of CVE-2022-35270

The impact of this vulnerability is rated as medium severity with a CVSS base score of 4.9. An attacker with high privileges can exploit this vulnerability to disrupt the availability of the affected systems.

Technical Details of CVE-2022-35270

In this section, we will dive deeper into the technical aspects of the CVE-2022-35270 vulnerability.

Vulnerability Description

The vulnerability arises from the web_server hashFirst functionality of Robustel R1510 versions 3.1.16 and 3.3.0, where improper handling of network requests can lead to a denial of service condition.

Affected Systems and Versions

Robustel R1510 versions 3.1.16 and 3.3.0 are affected by this vulnerability.

Exploitation Mechanism

By sending a sequence of specially-crafted network requests to the

/action/import_wireguard_cert_file/

API, an attacker can trigger the denial of service vulnerability.

Mitigation and Prevention

To mitigate the CVE-2022-35270 vulnerability, immediate actions and long-term security practices can be implemented.

Immediate Steps to Take

It is recommended to apply vendor patches and updates as soon as they are available to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Implementing network security measures, such as access controls and network monitoring, can help prevent similar denial of service attacks in the future.

Patching and Updates

Regularly updating and patching the affected Robustel R1510 systems to the latest secure versions is crucial in addressing the CVE-2022-35270 vulnerability.