ID
VAR-202602-0254
CVE
CVE-2025-66603
TITLE
Yokogawa Electric FAST/TOOLS Multiple vulnerabilities in
Trust: 0.8
DESCRIPTION
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts the OPTIONS method. An attacker could potentially use this information to carry out other attacks. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04. The expected impact varies depending on the vulnerability, but could include the following: CVE-2025-66594 The information in the message displayed on the error page could be used for other attacks. CVE-2025-66595 If a user accessed a specially crafted link sent by an attacker, their account could be spoofed. CVE-2025-66596 If an attacker inserts an invalid host header, they may be redirected to a malicious host. CVE-2025-66597 Weak cryptographic algorithms are available, allowing attackers to Web Communications with the server may be decrypted. CVE-2025-66598 old SSL/TLS version available, allowing attackers to Web Communications with the server may be decrypted. CVE-2025-66599Web The physical path displayed on the page can be used for other attacks. CVE-2025-66600 Attackers can perform man-in-the-middle attacks ( Man-in-the-Middle Attack ) is performed, Web There is a risk that communications with the server may be intercepted. CVE-2025-66601 by the attacker Content Sniffing If an attack is successful, malicious scripts may be executed. CVE-2025-66602Web The server IP To accept access by address, random IP By address Web Malware looking for servers can be introduced into your network. CVE-2025-66604Web The library version information displayed on the page can be used for other attacks. CVE-2025-66605Web On the page Autocomplete There are input fields that have the attribute enabled, which may cause the input to be saved in the browser. CVE-2025-66606URL Due to poor encoding process, Web Pages may be defaced or malicious scripts may be executed. CVE-2025-66607 Insecure response headers may allow attackers to redirect you to malicious sites. CVE-2025-66608URL Due to insufficient validation, if a crafted request is received by an attacker, Web There is a possibility that files stored on the server may be stolen. For more information, please refer to the information provided by the developer
Trust: 1.62
AFFECTED PRODUCTS
| vendor: | yokogawa | model: | fast\/tools | scope: | lte | version: | r10.04 | Trust: 1.0 |
| vendor: | yokogawa | model: | fast\/tools | scope: | gte | version: | r9.01 | Trust: 1.0 |
| vendor: | 横河電機株式会社 | model: | fast/tools | scope: | eq | version: | package: rvsvrn , unsvrn , hmiweb , ftees , hmimob version: r9.01 to r10.04 to | Trust: 0.8 |
| vendor: | 横河電機株式会社 | model: | fast/tools | scope: | eq | version: | - | Trust: 0.8 |
CVSS
SEVERITY | CVSSV2 | CVSSV3 | |||||||||||||||||||||||||||||||||||||||||
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PROBLEMTYPE DATA
| problemtype: | CWE-358 | Trust: 1.0 |
| problemtype: | Information leakage due to error message (CWE-209) [ others ] | Trust: 0.8 |
| problemtype: | path traversal (/../filename)(CWE-29) [ others ] | Trust: 0.8 |
| problemtype: | During authentication IP Address Dependency (CWE-291) [ others ] | Trust: 0.8 |
| problemtype: | Sending important information in clear text (CWE-319) [ others ] | Trust: 0.8 |
| problemtype: | Use of incomplete or dangerous cryptographic algorithms (CWE-327) [ others ] | Trust: 0.8 |
| problemtype: | Cross-site request forgery (CWE-352) [ others ] | Trust: 0.8 |
| problemtype: | Improperly implemented security checks (CWE-358) [ others ] | Trust: 0.8 |
| problemtype: | Disclosure of Personal Information to Unauthorized Actors (CWE-359) [ others ] | Trust: 0.8 |
| problemtype: | Leakage of important information to unauthorized control areas (CWE-497) [ others ] | Trust: 0.8 |
| problemtype: | Open redirect (CWE-601) [ others ] | Trust: 0.8 |
| problemtype: | Web Improper sanitization of invalid characters in in-page identifiers (CWE-86) [ others ] | Trust: 0.8 |
PATCH
| title: | YSAR-26-0001 | url: | https://www.yokogawa.co.jp/library/resources/white-papers/yokogawa-security-advisory-report-list/ | Trust: 0.8 |
EXTERNAL IDS
| db: | NVD | id: | CVE-2025-66603 | Trust: 1.8 |
| db: | ICS CERT | id: | ICSA-26-041-01 | Trust: 0.8 |
| db: | JVN | id: | JVNVU97860540 | Trust: 0.8 |
| db: | JVNDB | id: | JVNDB-2026-002779 | Trust: 0.8 |
REFERENCES
| url: | https://web-material3.yokogawa.com/1/39206/files/ysar-26-0001-e.pdf | Trust: 1.0 |
| url: | https://jvn.jp/vu/jvnvu97860540/index.html | Trust: 0.8 |
| url: | https://www.cisa.gov/news-events/ics-advisories/icsa-26-041-01 | Trust: 0.8 |
SOURCES
| db: | JVNDB | id: | JVNDB-2026-002779 |
| db: | NVD | id: | CVE-2025-66603 |
LAST UPDATE DATE
2026-03-05T19:41:57.216000+00:00
SOURCES UPDATE DATE
| db: | JVNDB | id: | JVNDB-2026-002779 | date: | 2026-02-17T02:14:00 |
| db: | NVD | id: | CVE-2025-66603 | date: | 2026-03-05T13:13:32.220 |
SOURCES RELEASE DATE
| db: | JVNDB | id: | JVNDB-2026-002779 | date: | 2026-02-09T00:00:00 |
| db: | NVD | id: | CVE-2025-66603 | date: | 2026-02-09T04:15:49.550 |