Yokogawa CX2000 Authentication insecure default initialization of resource

Summaryinfo

A vulnerability identified as very critical has been detected in Yokogawa GX10, GX20, GP10, GP20, GM Data Acquisition System, DX1000, DX2000, DX1000N, FX1000, μR10000, μR20000, MW100, DX1000T, DX2000T, CX1000 and CX2000. This affects an unknown function of the component Authentication. Performing a manipulation results in insecure default initialization of resource. This vulnerability was named CVE-2025-1863. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Yokogawa GX10, GX20, GP10, GP20, GM Data Acquisition System, DX1000, DX2000, DX1000N, FX1000, μR10000, μR20000, MW100, DX1000T, DX2000T, CX1000 and CX2000. This affects some unknown functionality of the component Authentication. The manipulation with an unknown input leads to a insecure default initialization of resource vulnerability. CWE is classifying the issue as CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at web-material3.yokogawa.com. This vulnerability is uniquely identified as CVE-2025-1863 since 03/03/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/18/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Yokogawa

Name

• CX1000
• CX2000
• DX1000
• DX1000N
• DX1000T
• DX2000
• DX2000T
• FX1000
• GM Data Acquisition System
• GP10
• GP20
• GX10
• GX20
• MW100
• μR10000
• μR20000

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