CVE-2022-47618 : Security Advisory and Response
Learn about CVE-2022-47618, a critical vulnerability in Merit Lilin AH55B04 & AH55B08 DVR firmware allowing unauthorized access. Find mitigation steps and solutions.
A security vulnerability has been identified in the Merit Lilin AH55B04 & AH55B08 DVR firmware that allows remote attackers to gain unauthorized access using hard-coded credentials. This article provides details on the nature of the vulnerability, its impact, technical aspects, and mitigation strategies.
Understanding CVE-2022-47618
This section delves into the specifics of CVE-2022-47618.
What is CVE-2022-47618?
The CVE-2022-47618 vulnerability involves hard-coded administrator credentials in the Merit Lilin AH55B04 & AH55B08 DVR firmware. Attackers can exploit this to access the administrator page without authentication.
The Impact of CVE-2022-47618
With a CVSS base score of 9.8 (Critical), this vulnerability poses a severe risk to affected systems. It can lead to unauthorized system manipulation, data breaches, and service disruption.
Technical Details of CVE-2022-47618
Explore the technical aspects of CVE-2022-47618 below.
Vulnerability Description
The vulnerability stems from the presence of hard-coded credentials, enabling unauthenticated remote attackers to compromise system security.
Affected Systems and Versions
Merit Lilin AH55B04 & AH55B08 DVR firmware versions up to SVN#7570 are impacted by this vulnerability.
Exploitation Mechanism
By leveraging the hard-coded credentials, malicious actors can gain access to the administrator page, thereby compromising the integrity, confidentiality, and availability of the system.
Mitigation and Prevention
Discover effective strategies to mitigate the risks associated with CVE-2022-47618.
Immediate Steps to Take
To address this issue, users should promptly update their Merit Lilin AH55B04 & AH55B08 DVR firmware to version SVN#8044 or above.
Long-Term Security Practices
Implement robust password management policies, conduct regular security audits, and monitor for unauthorized access attempts to enhance overall system security.
Patching and Updates
Stay informed about security patches and updates released by Merit Lilin Ent. Co., Ltd. to address vulnerabilities and strengthen the security posture of DVR systems.