CVE-2025-66600 is a high-severity vulnerability in Yokogawa Electric Corporation's FAST/TOOLS (R9.01 to R10.04), specifically affecting the RVSVRN, UNSVRN, HMIWEB, FTEES, and HMIMOB packages. The flaw stems from a lack of HSTS configuration, making the product susceptible to Man-in-the-Middle (MITM) attacks where an attacker could sniff web server communications. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Yokogawa Electric Corporation | FAST/TOOLS | >= R9.01, <= R10.04CNA affecteddefault unknown |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/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
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.