CVE-2025-66601
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 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: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- 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 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: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
CVE-2025-66601- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-358
- Updated
- 2026-11-02
EUVDEUVD-2025-207172
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: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
EUVD-2025-207172- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pc5p-g2cg-mr66
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 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: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
GHSA-pc5p-g2cg-mr66- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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 - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-358
- Updated
- 2026-11-02
NVD
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: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- Record
CVE-2025-66601- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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 - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-358
- 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-2025-66601 is a medium vulnerability (CVSS 6.3) 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 0.19%, the 8th percentile. No source names a fixed version.