What’s Vulnerable › Vulnerabilities

CVE-2024-6351: Malformed packet leads to denial of service in NWK/APS layer

• Severity: medium (CVSS 4.3 v3.1)
• 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: 2025-01-28 · updated 2026-06-17
• Weakness: CWE-120

Description

A malformed packet can cause a buffer overflow in the NWK/APS layer of the Ember ZNet stack and lead to an assert

Affected products

• silabs.com SiSDK: before 2024.12.0 — fixed in 2024.12.0

How to fix

Upgrade to a fixed version: silabs.com SiSDK 2024.12.0. Check the vendor advisory for mitigations.

References

• https://community.silabs.com/069Vm00000HtvDgIAJ
• https://github.com/SiliconLabs/simplicity_sdk/releases

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