CVE-2025-66606
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This...
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product does not properly encode URLs. An attacker could tamper with web pages or execute malicious scripts.
The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Active
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product does not properly encode URLs. An attacker could tamper with web pages or execute malicious scripts.
The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
CVE-2025-66606- CVSS 4.0
- 2.1 Low
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 - Weakness
- CWE-86
- Updated
- 2026-11-02
EUVDEUVD-2025-207165
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product does not properly encode URLs. An attacker could tamper with web pages or execute malicious scripts.
The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
EUVD-2025-207165- CVSS 4.0
- 2.1 Low
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gx8g-pw4x-wmmv
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This...
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product does not properly encode URLs. An attacker could tamper with web pages or execute malicious scripts.
The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
GHSA-gx8g-pw4x-wmmv- CVSS 4.0
- 2.1 Low
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 - CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-86
- Updated
- 2026-11-02
NVD
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product does not properly encode URLs. An attacker could tamper with web pages or execute malicious scripts.
The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
CVE-2025-66606- CVSS 4.0
- 2.1 Low
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 - CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-86
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-66606 is a low vulnerability (CVSS 2.1) in Yokogawa Electric Corporation Fast/tools, published February 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. No source names a fixed version.