CVE-2022-26670 : What You Need to Know
Discover the impact and mitigation strategies for CVE-2022-26670 affecting D-Link DIR-878. Learn how to address the command injection vulnerability for enhanced security.
A command injection vulnerability has been identified in D-Link DIR-878, allowing unauthenticated LAN attackers to execute arbitrary system commands. This article provides an overview of CVE-2022-26670, including its impact, technical details, and mitigation strategies.
Understanding CVE-2022-26670
This section delves into the specifics of the command injection vulnerability affecting D-Link DIR-878.
What is CVE-2022-26670?
The D-Link DIR-878 is susceptible to command injection due to inadequate filtering of special characters in the webpage input field. Attackers on the local area network can exploit this flaw to gain control over the system or disrupt services.
The Impact of CVE-2022-26670
The vulnerability has a CVSS base score of 8.8, indicating a high severity level. With a low attack complexity and no privileges required, attackers can achieve high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2022-26670
This section covers the technical aspects of the CVE, including vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability arises from the lack of proper input validation, enabling attackers to inject arbitrary commands and compromise the affected system.
Affected Systems and Versions
D-Link DIR-878 devices with firmware versions equal to or less than 1.20b05 are impacted by this vulnerability.
Exploitation Mechanism
Unauthenticated LAN attackers can exploit the command injection flaw by injecting malicious commands via the webpage input field.
Mitigation and Prevention
Learn how to protect your systems against CVE-2022-26670 through immediate actions and long-term security practices.
Immediate Steps to Take
To mitigate the risk, users are advised to update the firmware version to v1.30B08 Hotfix03.
Long-Term Security Practices
Implement robust input validation mechanisms, monitor network traffic for suspicious activities, and apply security updates regularly to prevent similar vulnerabilities.