OPNsense — Vulnerabilities & Security Advisories 16

This page documents known security vulnerabilities and weaknesses associated with OPNsense, a widely used open-source firewall and routing platform. It aggregates data from various security databases and vendor advisories to provide a comprehensive view of the software’s security posture. The collection includes a broad spectrum of issue types, ranging from remote code execution and privilege escalation to cross-site scripting and information disclosure. The data spans from the initial release of the product through the present day, capturing both historical findings and recently reported vulnerabilities. By consulting this resource, users can track a vendor's advisories to stay informed about critical patches and security updates. It also serves as a valuable reference for understanding a specific weakness class within the context of network security appliances, helping administrators assess risk and prioritize mitigation efforts. Furthermore, individuals can look up a product's vulnerability history to analyze trends, evaluate the effectiveness of past remediation strategies, and make informed decisions about system upgrades or configuration changes. This centralized view facilitates better security management by providing context for individual CVE entries and highlighting potential impact areas within OPNsense deployments. The information is intended to support security professionals, system administrators, and researchers in maintaining robust network defenses and ensuring the integrity of firewall infrastructure.