CVE-2025-66606 is a critical URL encoding vulnerability in Yokogawa Electric Corporation's FAST/TOOLS, affecting versions R9.01 to R10.04 across several packages (RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB). With a CVSS score of 9.6 (CRITICAL), this flaw allows unauthenticated remote attackers to tamper with web pages or execute malicious scripts, leading to high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (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:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/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:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.