CVE-2018-25136 in Brickstream 3D+
Summary
by MITRE • 12/24/2025
FLIR Brickstream 3D+ 2.1.742.1842 contains an unauthenticated vulnerability that allows remote attackers to access live video streams without credentials. Attackers can retrieve video stream images by directly accessing multiple image endpoints like middleImage.jpg, rightimage.jpg, and leftimage.jpg.
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Analysis
by VulDB Data Team • 12/25/2025
The FLIR Brickstream 3D+ camera system version 2.1.742.1842 contains a critical authentication bypass vulnerability that fundamentally compromises the security posture of connected surveillance infrastructure. This vulnerability exists within the web interface of the device and allows unauthenticated remote attackers to directly access live video streams through specifically crafted HTTP requests to image endpoints. The flaw represents a severe failure in access control mechanisms, where the system fails to properly validate user credentials before granting access to sensitive video data streams. This vulnerability directly violates the principle of least privilege and demonstrates a critical weakness in the device's security architecture.
The technical exploitation of this vulnerability occurs through direct access to specific image endpoints within the device's web interface. Attackers can retrieve video stream images by accessing URLs such as middleImage.jpg, rightimage.jpg, and leftimage.jpg without providing any authentication credentials. These endpoints expose raw video feed data streams that contain real-time visual information from the camera system. The vulnerability stems from improper implementation of authentication checks within the web server component, where access controls are either completely absent or fail to properly validate session tokens and user permissions. This type of vulnerability is categorized under CWE-287 which specifically addresses improper authentication mechanisms in software systems.
The operational impact of this vulnerability extends far beyond simple unauthorized data access, creating significant risks for organizations relying on FLIR surveillance systems for security monitoring. Remote attackers can gain unrestricted access to live video feeds from multiple camera angles, potentially compromising the confidentiality of sensitive surveillance data. This vulnerability enables attackers to perform real-time monitoring of protected facilities, observe personnel movements, and gather intelligence without detection. The implications are particularly severe for critical infrastructure, financial institutions, and government facilities where surveillance systems are expected to provide secure and confidential monitoring capabilities. Organizations may experience complete loss of surveillance integrity, as the system fails to protect its most sensitive data assets.
Mitigation strategies for this vulnerability require immediate action from affected organizations to implement proper access controls and network segmentation. The primary recommendation involves applying the latest firmware updates from FLIR to address the authentication bypass issue, as the vendor has likely released patches to resolve this specific flaw. Network administrators should implement strict firewall rules to restrict access to the camera system's web interface, limiting access to trusted networks and IP addresses only. Additionally, organizations should consider implementing network monitoring solutions to detect unauthorized access attempts to image endpoints. The vulnerability aligns with ATT&CK technique T1046 which describes network service scanning, and T1071.004 which covers application layer protocol: web protocols. Organizations should also implement multi-factor authentication mechanisms where possible and regularly audit access logs to detect potential exploitation attempts. Given the nature of this vulnerability, regular security assessments of networked camera systems are essential to identify similar authentication bypass issues that may exist in other security devices within the organization's infrastructure.