How severe is CVE-2025-66605?

CVE-2025-66605 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-66605 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66605?

CVE-2025-66605 affects Yokogawa Fast/tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-66605?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-66605 have an EU (EUVD) identifier?

Yes. CVE-2025-66605 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207168.

When was CVE-2025-66605 published?

CVE-2025-66605 was published on 2026-02-09 and last updated on 2026-06-17.

CVE-2025-66605

CVE-2025-66605 is a medium-severity vulnerability in Yokogawa Fast/tools with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-359.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 2.1
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207168
Weakness: CWE-359
Affected product: Yokogawa Fast/tools
Published: 2026-02-09
Last modified: 2026-06-17

Description

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Since there are input fields on this webpage with the autocomplete attribute enabled, the input content could be saved in the browser the user is using. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

Frequently asked questions

What is CVE-2025-66605?: A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Since there are input fields on this webpage with the autocomplete attribute enabled, the input content could be saved in the browser the user is using. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
How severe is CVE-2025-66605?: CVE-2025-66605 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-66605 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66605?: CVE-2025-66605 affects Yokogawa Fast/tools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-66605?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66605 have an EU (EUVD) identifier?: Yes. CVE-2025-66605 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207168.
When was CVE-2025-66605 published?: CVE-2025-66605 was published on 2026-02-09 and last updated on 2026-06-17.

References

https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf

Affected products (1)

cpe:2.3:a:yokogawa:fast\/tools:*:*:*:*:*:*:*:*

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