{"id":30660,"date":"2025-04-24T22:12:13","date_gmt":"2025-04-24T22:12:13","guid":{"rendered":""},"modified":"2025-09-10T23:20:12","modified_gmt":"2025-09-11T05:20:12","slug":"cve-2025-1863-default-authentication-function-disabled-in-yokogawa-recorder-products","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-1863-default-authentication-function-disabled-in-yokogawa-recorder-products\/","title":{"rendered":"CVE-2025-1863: Default Authentication Function Disabled in Yokogawa Recorder Products<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The world of cybersecurity is an ever-evolving battleground, and vulnerabilities are discovered and patched regularly. The latest vulnerability, identified as CVE-2025-1863, directly affects the recorder products provided by Yokogawa Electric Corporation. This flaw lies in the insecure default settings where the authentication function is disabled, providing potential unauthorized access to critical system<\/a> functions and data. This vulnerability poses a significant risk to any organization employing these products, potentially leading to system<\/a> compromise and data leakage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-1863
\nSeverity: Critical (CVSS Score: 9.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Unauthorized access<\/a> to system functions and data, potential system compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

GX10 \/ GX20 \/ GP10 \/ GP20 Paperless Recorders | R5.04.01 or earlier
\nGM Data Acquisition System<\/a> | R5.05.01 or earlier
\nDX1000 \/ DX2000 \/ DX1000N Paperless Recorders | R4.21 or earlier
\nFX1000 Paperless Recorders | R1.31 or earlier
\n\u03bcR10000 \/ \u03bcR20000 Chart Recorders | R1.51 or earlier
\nMW100 Data Acquisition Units | All versions<\/a>
\nDX1000T \/ DX2000T Paperless Recorders | All versions
\nCX1000 \/ CX2000 Paperless Recorders | All versions<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability arises from the insecure default settings in various Yokogawa recorder<\/a> products. By default, the authentication function is disabled, allowing anyone on the network to access all settings and operations-related functions without any necessary credentials<\/a>. An attacker can exploit this vulnerability<\/a> by connecting to the network and manipulating important data such as measured values and settings.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following conceptual example demonstrates how the vulnerability<\/a> might be exploited:<\/p>\n

GET \/settings HTTP\/1.1\nHost: vulnerable.yokogawa.com<\/code><\/pre>\n
This example illustrates a simple HTTP GET request made to the settings endpoint of a vulnerable<\/a> Yokogawa product. Given the lack of authentication, an attacker could potentially<\/a> access, view, and manipulate these settings without needing any form of credentials.
\nPlease note that this is a conceptual example and may not represent the actual exploit code that an attacker<\/a> might use. This example is intended to provide a basic understanding of how such an exploit<\/a> could function.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The world of cybersecurity is an ever-evolving battleground, and vulnerabilities are discovered and patched regularly. The latest vulnerability, identified as CVE-2025-1863, directly affects the recorder products provided by Yokogawa Electric Corporation. This flaw lies in the insecure default settings where the authentication function is disabled, providing potential unauthorized access to critical system functions and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-30660","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t