Automated SBOM-Driven Vulnerability Triage for IoT Firmware: A Lightweight Pipeline for Risk Prioritization

• URL: http://arxiv.org/abs/2601.01308v1
• Date: Sun, 04 Jan 2026 00:09:01 GMT
• Title: Automated SBOM-Driven Vulnerability Triage for IoT Firmware: A Lightweight Pipeline for Risk Prioritization
• Authors: Abdurrahman Tolay,
• Abstract summary: This paper presents a lightweight, automated pipeline designed to extract file systems from Linux-based IoT firmware.<n>It generates a comprehensive Software Bill of Materials, map identified components to known vulnerabilities, and apply a multi-factor triage scoring model.<n>We describe the architecture, the normalization challenges of embedded Linux, and a scoring methodology intended to reduce alert fatigue.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The proliferation of Internet of Things (IoT) devices has introduced significant security challenges, primarily due to the opacity of firmware components and the complexity of supply chain dependencies. IoT firmware frequently relies on outdated, third-party libraries embedded within monolithic binary blobs, making vulnerability management difficult. While Software Bill of Materials (SBOM) standards have matured, generating actionable intelligence from raw firmware dumps remains a manual and error-prone process. This paper presents a lightweight, automated pipeline designed to extract file systems from Linux-based IoT firmware, generate a comprehensive SBOM, map identified components to known vulnerabilities, and apply a multi-factor triage scoring model. The proposed system focuses on risk prioritization by integrating signals from the Common Vulnerability Scoring System (CVSS), Exploit Prediction Scoring System (EPSS), and the CISA Known Exploited Vulnerabilities (KEV) catalog. Unlike conventional scanners that produce high volumes of uncontextualized alerts, this approach emphasizes triage by calculating a localized risk score for each finding. We describe the architecture, the normalization challenges of embedded Linux, and a scoring methodology intended to reduce alert fatigue. The study outlines a planned evaluation strategy to validate the extraction success rate and triage efficacy using a dataset of public vendor firmware, offering a reproducibility framework for future research in firmware security.

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