What is the CVSS score of CVE-2025-66594?

CVE-2025-66594 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Fast Tools are affected by CVE-2025-66594?

Organizations using A vulnerability should be aware of moderate risk from CVE-2025-66594 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-66594?

Within 30 days: Identify affected systems running FAST/TOOLS provided by Yokogawa Electric Corporation. Detai and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Fast Tools CVE-2025-66594

MEDIUM

Error Message Information Leak (CWE-209)

2026-02-09 7168b535-132a-4efe-a076-338f829b2eb9

Information Disclosure Fast Tools

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 09, 2026 - 05:16 nvd

MEDIUM 5.3

DescriptionCVE.org

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, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

AnalysisAI

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Detailed messages are displayed on the error page. [CVSS 5.3 MEDIUM]

Technical ContextAI

Classified as CWE-209 (Error Message Information Leak). Affects Fast\/Tools. 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, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

RemediationAI

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

More in Fast Tools

View all

CVE-2025-66603 CRITICAL Act Now

9.8 Feb 09

Yokogawa FAST/TOOLS has a second web server vulnerability involving improper cryptographic handling that weakens the sec

CVE-2025-66602 CRITICAL Act Now

9.8 Feb 09

Yokogawa FAST/TOOLS SCADA has a vulnerability in its web server component enabling unauthorized access to the industrial

CVE-2025-66606 CRITICAL Act Now

9.6 Feb 09

Yokogawa FAST/TOOLS has a third vulnerability involving improper encoding of output that could enable injection attacks

CVE-2026-11833 HIGH This Week

8.2 Jun 23

Information disclosure in Yokogawa FAST/TOOLS (R9.01-R10.04) and CI Server (R1.01-R1.04) allows unmodified network attac

CVE-2025-66608 HIGH This Week

7.5 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly v

CVE-2025-66597 HIGH This Week

7.5 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports weak crypt

CVE-2025-66598 HIGH This Week

7.5 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports old SSL/TL

CVE-2025-66601 MEDIUM This Month

6.1 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not specify MI

CVE-2025-66595 MEDIUM This Month

5.4 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product is vulnerable to Cr

CVE-2025-66605 MEDIUM This Month

5.3 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Since there are input fields on

CVE-2025-66607 MEDIUM This Month

5.3 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The response header contains an

CVE-2025-66604 MEDIUM This Month

5.3 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The library version could be dis

Same weakness CWE-209 – Error Message Information Leak

View all

CVE-2025-47813 MEDIUM POC

4.3

CVE-2026-48039 CRITICAL POC

9.1

CVE-2026-29146 HIGH POC

7.5

CVE-2025-54291 MEDIUM POC

5.3

CVE-2025-69253 MEDIUM POC

5.3

CVE-2026-27643 MEDIUM POC

5.3

CVE-2025-69208 MEDIUM POC

5.3

CVE-2026-34045 CRITICAL

9.1

Same technique Information Disclosure

View all

CVE-2025-24813 CRITICAL POC

9.8

CVE-2015-1701 HIGH POC

7.8

CVE-2014-6324 HIGH POC

8.8

CVE-2017-0213 HIGH POC

7.3

CVE-2016-7255 HIGH POC

7.8

CVE-2010-0232 HIGH POC

7.8

CVE-2025-30066 HIGH POC

8.6

CVE-2025-54236 CRITICAL POC

9.1

CVE-2025-66594 vulnerability details – vuln.today

Back

Fast Tools CVE-2025-66594

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More in Fast Tools

Same weakness CWE-209 – Error Message Information Leak

Same technique Information Disclosure

Share

External POC / Exploit Code