CVE-2025-1863: Insecure default settings have been found in recorder products provided by Yokogawa Electric Corporation. The default setting of the authentication fu...

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.65%

46.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1188

References

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

Timeline

Published: Apr 18, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-1863?

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.

How severe is CVE-2025-1863?

CVE-2025-1863 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2025-1863?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.