CVE-2025-66596 is an improper input validation vulnerability (CWE-601) found in Yokogawa Electric Corporation's FAST/TOOLS, affecting versions R9.01 to R10.04. This flaw allows an attacker to redirect users to malicious sites by inserting an invalid host header, as the product does not properly validate request headers. Rated with a CVSS v3.1 score of 6.1 (Medium), it has a network attack vector and low complexity, but requires user interaction, potentially leading to partial loss of confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code availability (e.g., Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= r9.01, <= r10.04CPE matchmatch criteria | cpe:2.3:a:yokogawa:fast\/tools:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/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:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.