CVE-2025-3873
Overview
CVE-2025-3873 is a known-severity vulnerability. It was published on July 25, 2025.
Technical Description
The following APIs for the Silcon Labs SiWx91x prior to vesion 3.4.0 failed to check the size of the output buffer of the caller which could lead to data corruption on the host (Cortex-M4) application.
sl_si91x_aes
sl_si91x_gcm
sl_si91x_ccm
sl_si91x_sha
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Frequently Asked Questions
What is CVE-2025-3873?
CVE-2025-3873 is a known-severity vulnerability. It was published on July 25, 2025.
How severe is CVE-2025-3873?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-2025-3873?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-3873?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-3873 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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