CVE-2025-66594: Generation of Error Message Containing Sensitive Information

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Detailed messages are displayed on the error page. This information could be exploited by an attacker for other attacks. The affected products and versions are as follows: FAST/TOOLS Packages: RVSVRN, UNSVRN,...

CVE-2025-66601: Improperly Implemented Security Check for Standard

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not specify MIME types. When an attacker performs a content sniffing attack, malicious scripts could be executed. The affected products and versions are as follows: FAST/TOOLS Packages: RVSVR...

PT-2026-7050

Name of the Vulnerable Software and Affected Versions FAST/TOOLS versions R9.01 through R10.04 Description The web server component accepts access by IP address, potentially allowing exploitation by worms that randomly search for IP addresses. This could lead to unauthorized access if a worm...

CVE-2025-66602: Reliance on IP Address for Authentication

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts access by IP address. When a worm that randomly searches for IP addresses intrudes into the network, it could potentially be attacked by the worm. The affected products and versions are ...

CVE-2025-66597: Use of a Broken or Risky Cryptographic Algorithm

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports weak cryptographic algorithms, potentially allowing an attacker to decrypt communications with the web server. The affected products and versions are as follows: FAST/TOOLS Packages:...

CVE-2025-66596: URL Redirection to Untrusted Site

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:...