CVE-2025-66596

MEDIUM
2026-02-09 7168b535-132a-4efe-a076-338f829b2eb9
6.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Feb 09, 2026 - 05:16 nvd
MEDIUM 6.1

Tags

Open Redirect

Description

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly validate request headers. When an attacker inserts an invalid host header, users could be redirected to malicious sites. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

Analysis

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly validate request headers. [CVSS 6.1 MEDIUM]

Technical Context

Classified as CWE-601 (URL Redirection to Untrusted Site (Open Redirect)). Affects Fast\/Tools. A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.

This product does not

properly validate request headers. When an attacker inserts an invalid host

header, users could be redirected to malicious sites.

The

affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to

R10.04

Affected Products

Vendor: Yokogawa. Product: Fast\/Tools.

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: 0

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CVE-2025-66596 vulnerability details – vuln.today
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