CVE-2025-66596A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
- CVSS
- 6.1 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-601
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
yokogawa fast/tools yokogawa:fast/tools | from r9.01 through r10.04 | NVD |
References
- https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdfvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.