VDB-344952 · CVE-2025-66606 · GCVE-0-2025-66606

Yokogawa Electric FAST TOOLS up to R10.04 cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Yokogawa Electric FAST TOOLS up to R10.04. It has been declared as problematic. This vulnerability affects unknown code. The manipulation results in cross site scripting. This vulnerability is reported as CVE-2025-66606. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Yokogawa Electric FAST TOOLS up to R10.04. Affected is some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-86. The product does not neutralize or incorrectly neutralizes invalid characters or byte sequences in the middle of tag names, URI schemes, and other identifiers. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly encode URLs. An attacker could tamper with web pages or execute malicious scripts. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

The advisory is shared for download at web-material3.yokogawa.com. This vulnerability is traded as CVE-2025-66606 since 12/05/2025. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Yokogawa Electric

Name

FAST TOOLS

Version

R10.04

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.6
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-86 / CWE-79 / CWE-94
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/05/2025 CVE reserved
02/09/2026 +66 days Advisory disclosed
02/09/2026 +0 days VulDB entry created
03/05/2026 +24 days VulDB entry last update

Sourcesinfo

Advisory: web-material3.yokogawa.com
Status: Confirmed

CVE: CVE-2025-66606 (🔒)
GCVE (CVE): GCVE-0-2025-66606
GCVE (VulDB): GCVE-100-344952

Entryinfo

Created: 02/09/2026 07:58
Updated: 03/05/2026 14:36
Changes: 02/09/2026 07:58 (64), 03/05/2026 14:36 (12)
Complete: 🔍
Cache ID: 216::103