CVE-2024-22772 in DVR LGUVR-8H
Summary
by MITRE • 01/23/2024
Improper Input Validation in Hitron Systems DVR LGUVR-8H 1.02~4.02 allows an attacker to cause network attack in case of using defalut admin ID/PW.
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Analysis
by VulDB Data Team • 12/31/2025
The vulnerability identified as CVE-2024-22772 represents a critical weakness in Hitron Systems DVR LGUVR-8H devices running firmware versions 1.02 through 4.02. This issue stems from improper input validation mechanisms that fail to adequately sanitize user inputs, creating an avenue for malicious actors to exploit the device's network interface. The vulnerability specifically manifests when default administrative credentials remain unchanged, providing attackers with a straightforward path to unauthorized access and potential network compromise. This flaw aligns with CWE-20, which categorizes improper input validation as a fundamental security weakness that can lead to various attack vectors including injection attacks, privilege escalation, and unauthorized system control. The affected Hitron DVR models operate within networked environments where they serve as video recording and monitoring systems, making their security critical for maintaining operational integrity and preventing unauthorized surveillance access.
The technical implementation of this vulnerability occurs through the device's authentication and input processing mechanisms. When default administrative credentials are not changed by users, attackers can leverage these well-known credentials to establish administrative sessions. The improper input validation allows malicious inputs to bypass normal authentication checks, potentially enabling command injection or other attack vectors that exploit the device's network services. Network-based attacks can be executed through various protocols supported by the DVR system, including HTTP, FTP, or other network management interfaces. The vulnerability's impact extends beyond simple unauthorized access as it can enable attackers to modify system configurations, access recorded video feeds, manipulate network settings, and potentially use the device as a pivot point for further attacks within the network. This represents a significant concern from an ATT&CK framework perspective, particularly relating to initial access and privilege escalation techniques that adversaries commonly employ to establish persistent presence within target networks.
The operational impact of CVE-2024-22772 is severe for organizations deploying Hitron DVR systems, as it creates a persistent security risk that remains active until the default credentials are changed. Organizations may experience unauthorized access to video surveillance systems, potentially compromising sensitive operational data and security footage. The vulnerability's exploitation can lead to complete system compromise, allowing attackers to install malicious software, redirect network traffic, or use the device as a launching point for attacks against other networked systems. Network administrators face the challenge of identifying affected devices within their infrastructure, as the vulnerability may remain undetected for extended periods if default credentials are never changed. The attack surface is particularly concerning in environments where these DVR systems are connected to critical infrastructure, healthcare facilities, or financial institutions, where unauthorized access to surveillance data could result in significant operational disruption and potential regulatory violations.
Effective mitigation strategies for CVE-2024-22772 require immediate action to address the root cause of the vulnerability. Organizations must prioritize changing default administrative credentials to strong, unique passwords that meet security best practices, including complexity requirements and regular rotation schedules. Network segmentation should be implemented to isolate DVR systems from critical network segments, reducing the potential impact of successful exploitation. Regular firmware updates should be deployed to ensure devices operate on the latest security patches, although organizations must verify that firmware updates are available for the specific affected models. Network monitoring and intrusion detection systems should be configured to detect unusual authentication attempts or network traffic patterns associated with the affected devices. Security awareness training for personnel responsible for managing these systems can help prevent the continued use of default credentials and ensure proper security practices are maintained. Additionally, implementing network access controls such as firewalls and access control lists can limit the exposure of these devices to unauthorized network access while maintaining necessary operational functionality.