CVE-2025-2079 in Visual BACnet Capture Tool
Summary
by MITRE • 03/13/2025
Optigo Networks Visual BACnet Capture Tool and Optigo Visual Networks Capture Tool version 3.1.2rc11 contain a hard coded secret key. This could allow an attacker to generate valid JWT (JSON Web Token) sessions.
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Analysis
by VulDB Data Team • 05/08/2026
The vulnerability identified in Optigo Networks Visual BACnet Capture Tool and Optigo Visual Networks Capture Tool version 3.1.2rc11 represents a critical security flaw involving the use of a hardcoded secret key for JWT token generation. This issue falls under the CWE-798 weakness category, which specifically addresses the use of hardcoded credentials in software applications. The presence of a static secret key within the application code creates a fundamental security risk that can be exploited by malicious actors to forge authentication tokens. The hardcoded nature of this key means that it remains unchanged across all installations and deployments, making it easily discoverable through reverse engineering or code analysis techniques.
The technical implementation of this vulnerability allows attackers to generate valid JWT sessions without proper authentication, effectively bypassing the application's security controls. JWT tokens are commonly used for stateless authentication in web applications, where the secret key serves as the cryptographic foundation for token validation. When this key is hardcoded within the application binary, it becomes accessible to anyone with sufficient access to examine the application's code or memory. This flaw enables attackers to create malicious tokens that will be accepted by the system as legitimate, potentially granting them unauthorized access to network monitoring capabilities and sensitive data within the Visual BACnet Capture Tool environment. The attack surface is particularly concerning given that these tools are designed for network traffic analysis and monitoring, which often involves access to critical infrastructure data.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable sophisticated attacks against industrial control systems and network infrastructure. Network monitoring tools like those provided by Optigo Networks are frequently deployed in critical infrastructure environments where security is paramount. An attacker who successfully exploits this vulnerability could potentially gain access to detailed network traffic information, including potentially sensitive operational data that could be used for further attacks or reconnaissance. This risk is compounded by the fact that these tools are often used in environments where network monitoring is critical for maintaining system integrity and detecting security incidents. The ability to forge JWT tokens also means that attackers could potentially escalate privileges or maintain persistent access to the monitoring infrastructure, creating long-term security risks for organizations relying on these tools for network visibility and security monitoring.
Security mitigation strategies for this vulnerability must address both the immediate exposure and prevent future occurrences of similar issues. Organizations should immediately update to the latest versions of the affected software where the hardcoded key has been removed or properly managed through secure configuration practices. The implementation of proper key management practices, including the use of environment variables or secure key storage systems, should be enforced. Additionally, regular security assessments and code reviews should be conducted to identify other hardcoded credentials or sensitive information within the application codebase. The ATT&CK framework categorizes this type of vulnerability under T1552 - Credentials in Files, which highlights the importance of proper credential management and the risks associated with hardcoded secrets in application code. Organizations should also implement network segmentation and monitoring to detect unauthorized access attempts and token manipulation activities that could indicate exploitation of this vulnerability.