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Vulnerability record · CVE-2025-66602 · published 9 February 2026

CVE-2025-66602: Yokogawa fast\/tools vulnerability

Yokogawa · Fast\/Tools

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts access by IP address. When a worm that randomly searches for IP addresses intrudes into the network, it could potentially be attacked by the worm. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

6.9 CVSS 4.0 Medium EPSS 0.31% · top 78.2% CWE-291 · CWE-291
6.9CVSS 4.0 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts access by IP address. When a worm that randomly searches for IP addresses intrudes into the network, it could potentially be attacked by the worm. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2025-66597Yokogawa fast\/tools broken cryptographic algorithm vulnerabilityA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports weak cryptographic algorithms, potentia…EPSS 0.17%8.7CVE-2025-66608Yokogawa fast\/tools vulnerabilityA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly validate URLs. An attacker cou…EPSS 0.40%7.5CVE-2018-16196Yokogawa centum cs 3000 firmware improper input validation vulnerabilityMultiple Yokogawa products that contain Vnet/IP Open Communication Driver (CENTUM CS 3000(R3.05.00 - R3.09.50), CENTUM CS 3000 Entry Class(R3.05.00 -…EPSS 3.3%7.1CVE-2025-66598Yokogawa fast\/tools broken cryptographic algorithm vulnerabilityA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports old SSL/TLS versions, potentially allow…EPSS 0.16%6.9CVE-2025-66596Yokogawa fast\/tools open redirect vulnerabilityA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly validate request headers. When…EPSS 0.16%6.9CVE-2025-66594Yokogawa fast\/tools error message information leak vulnerabilityA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Detailed messages are displayed on the error page. This infor…EPSS 0.21%6.3CVE-2025-66595Yokogawa fast\/tools cross-site request forgery vulnerabilityA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product is vulnerable to Cross-Site Request Forgery (CSR…EPSS 0.10%6.3CVE-2025-66607Yokogawa fast\/tools vulnerabilityA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The response header contains an insecure setting. Users could…EPSS 0.18%

Source: NIST National Vulnerability Database (record CVE-2025-66602), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.