CVE-2018-7520 in G-Cam EFD-2250
Summary
by MITRE
An improper access control vulnerability has been identified in Geutebruck G-Cam/EFD-2250 Version 1.12.0.4 and Topline TopFD-2125 Version 3.15.1 IP cameras, which could allow a full configuration download, including passwords.
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Analysis
by VulDB Data Team • 01/25/2020
The vulnerability CVE-2018-7520 represents a critical improper access control flaw affecting Geutebruck G-Cam and Topline TopFD-2125 IP camera models. This weakness stems from insufficient authentication mechanisms within the web interface of these network video surveillance devices, allowing unauthenticated attackers to bypass normal access controls and gain unauthorized access to sensitive configuration data. The affected versions demonstrate a fundamental failure in implementing proper session management and authorization checks, creating a pathway for malicious actors to exploit the system's security boundaries.
This vulnerability specifically impacts devices running firmware versions 1.12.0.4 for Geutebruck G-Cam and 3.15.1 for Topline TopFD-2125 cameras. The flaw enables attackers to perform full configuration downloads that include administrative credentials, network settings, and other sensitive operational parameters. The technical implementation appears to lack proper input validation and access control checks at the application layer, allowing remote exploitation without requiring valid user credentials. This represents a direct violation of the principle of least privilege and proper access control enforcement as defined by security best practices.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete administrative access to the affected IP camera systems. Once exploited, adversaries can modify camera settings, disable security features, capture video streams, and potentially use the compromised credentials to access other systems within the same network segment. The exposure of administrative passwords creates a persistent threat vector that can be leveraged for lateral movement and extended network infiltration. This vulnerability aligns with attack patterns documented in the MITRE ATT&CK framework under credential access and privilege escalation techniques, specifically targeting network device management interfaces.
Organizations utilizing these affected camera models face significant risk exposure, particularly in environments where physical security is not adequately complemented by robust network security controls. The vulnerability is particularly concerning because it affects IP cameras deployed in critical infrastructure and security monitoring applications where unauthorized access could compromise entire surveillance networks. Mitigation strategies should include immediate firmware updates from vendors, network segmentation to isolate camera devices, implementation of strong access controls for management interfaces, and regular security assessments of networked video equipment. The vulnerability demonstrates the importance of proper security testing during device development and the necessity of maintaining current firmware versions to protect against known security flaws. Organizations should also consider implementing network monitoring solutions to detect unauthorized access attempts to camera management interfaces, as this vulnerability can be exploited remotely over the internet without requiring physical access to the devices.