CVE-2022-21217 : Vulnerability Insights and Analysis

An out-of-bounds write vulnerability has been identified in the device TestEmail functionality of reolink RLC-410W v3.0.0.136_20121102, allowing an attacker to trigger this vulnerability through a specially-crafted network request.

Understanding CVE-2022-21217

This section provides insights into the nature and impact of the CVE-2022-21217 vulnerability.

What is CVE-2022-21217?

The CVE-2022-21217 is classified as an out-of-bounds write vulnerability affecting the reolink RLC-410W v3.0.0.136_20121102 device's TestEmail functionality. By exploiting this flaw, an attacker could execute malicious activities via an HTTP request.

The Impact of CVE-2022-21217

The vulnerability's impact is severe, with a CVSS base score of 9.1 (Critical), mainly due to high confidentiality, integrity, and availability impacts, requiring high privileges to exploit and affecting a network's overall security.

Technical Details of CVE-2022-21217

This section delves into the technical aspects of CVE-2022-21217, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises due to an out-of-bounds write issue in the device TestEmail functionality of reolink RLC-410W v3.0.0.136_20121102, which enables attackers to launch unauthorized network requests.

Affected Systems and Versions

Affected systems include reolink RLC-410W v3.0.0.136_20121102, with all prior versions likely to be impacted by this vulnerability.

Exploitation Mechanism

Exploitation can be initiated through a specifically crafted network request targeting the TestEmail functionality of the affected device.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the risks associated with CVE-2022-21217 and prevent potential exploitation.

Immediate Steps to Take

Immediate actions involve applying relevant security patches, restricting network access, and monitoring suspicious network activity to prevent unauthorized access.

Long-Term Security Practices

Adopting robust security measures, conducting regular security assessments, and training personnel on cybersecurity best practices are crucial for long-term security.

Patching and Updates

Regularly updating software, implementing security patches promptly, and ensuring system configurations adhere to recommended security practices can help prevent potential vulnerabilities.