What’s Vulnerable › Vulnerabilities

CVE-2024-12975: Silicon Labs CPC can leak information in full duplex SPI

• Severity: low (CVSS 1.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-07 · updated 2026-06-17
• Weakness: CWE-126

Description

A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.

Affected products

• silabs.com Simplicity SDK: before 2024.12.1 — fixed in 2024.12.1

How to fix

Upgrade to a fixed version: silabs.com Simplicity SDK 2024.12.1. Check the vendor advisory for mitigations.

References

• https://community.silabs.com/069Vm00000LWXMeIAP
• https://github.com/SiliconLabs/simplicity_sdk/releases

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