What is CVE-2025-1863?

CVE-2025-1863 is a critical-severity vulnerability in Yokogawa Electric Corporation Cx1000 / Cx2000 Paperless Recorders, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2025-04-18.

How severe is CVE-2025-1863?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-1863 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Yokogawa Electric Corporation Cx1000 / Cx2000 Paperless Recorders

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.

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yokogawa Electric Corporation Cx1000 / Cx2000 Paperless Recorders — versions All versions
Yokogawa Electric Corporation Dx1000 / Dx2000 Dx1000n Paperless Recorders — versions R4.21 or earlier
Yokogawa Electric Corporation Dx1000t / Dx2000t Paperless Recorders — versions All versions
Yokogawa Electric Corporation Fx1000 Paperless Recorders — versions R1.31 or earlier
Yokogawa Electric Corporation Gm Data Acquisition System — versions R5.05.01 or earlier
Yokogawa Electric Corporation Gx10 / Gx20 Gp10 Gp20 Paperless Recorders — versions R5.04.01 or earlier
Yokogawa Electric Corporation Mw100 Data Acquisition Units — versions All versions
Yokogawa Electric Corporation Μr10000 / Μr20000 Chart Recorders — versions R1.51 or earlier

Weakness classification (CWE)

CWE-1188 — Initialization of a Resource with an Insecure Default

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

7168b535-132a-4efe-a076-338f829b2eb9

Frequently asked questions

What is CVE-2025-1863?: CVE-2025-1863 is a critical-severity vulnerability in Yokogawa Electric Corporation Cx1000 / Cx2000 Paperless Recorders, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2025-04-18.
How severe is CVE-2025-1863?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-1863 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.