CVE-2025-66602 (GCVE-0-2025-66602)
Vulnerability from cvelistv5 – Published: 2026-02-09 03:16 – Updated: 2026-02-09 19:06
VLAI
EPSS
VEX
Summary
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
The web server accepts
access by IP address. When a worm that randomly searches for IP addresses
intrudes into the network, it could potentially be attacked by the worm.
The
affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to
R10.04
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-09 19:04 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Yokogawa Electric Corporation | FAST/TOOLS |
Affected:
R9.01 , ≤ R10.04
(custom)
|
guessed |
Date Public
2026-02-09 03:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-66602",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-09T19:04:12.574305Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-09T19:06:18.987Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "FAST/TOOLS",
"vendor": "Yokogawa Electric Corporation",
"versions": [
{
"lessThanOrEqual": "R10.04",
"status": "affected",
"version": "R9.01",
"versionType": "custom"
}
]
}
],
"datePublic": "2026-02-09T03:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\u003c/p\u003e\n\n\u003cp\u003eThe web server accepts\naccess by IP address. When a worm that randomly searches for IP addresses\nintrudes into the network, it could potentially be attacked by the worm.\u003c/p\u003e\n\n\u003cp\u003eThe\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\nR10.04\u003c/p\u003e"
}
],
"value": "A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\n\n\n\nThe web server accepts\naccess by IP address. When a worm that randomly searches for IP addresses\nintrudes into the network, it could potentially be attacked by the worm.\n\n\n\nThe\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\nR10.04"
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-291",
"description": "CWE-291",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-09T03:16:47.620Z",
"orgId": "7168b535-132a-4efe-a076-338f829b2eb9",
"shortName": "YokogawaGroup"
},
"references": [
{
"url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "7168b535-132a-4efe-a076-338f829b2eb9",
"assignerShortName": "YokogawaGroup",
"cveId": "CVE-2025-66602",
"datePublished": "2026-02-09T03:16:47.620Z",
"dateReserved": "2025-12-05T05:04:18.583Z",
"dateUpdated": "2026-02-09T19:06:18.987Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-66602",
"date": "2026-08-21",
"epss": "0.00302",
"percentile": "0.22894"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2025-66602\",\"sourceIdentifier\":\"7168b535-132a-4efe-a076-338f829b2eb9\",\"published\":\"2026-02-09T04:15:49.423\",\"lastModified\":\"2026-06-17T09:57:05.977\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\\n\\n\\n\\nThe web server accepts\\naccess by IP address. When a worm that randomly searches for IP addresses\\nintrudes into the network, it could potentially be attacked by the worm.\\n\\n\\n\\nThe\\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\\nR10.04\"},{\"lang\":\"es\",\"value\":\"Se ha encontrado una vulnerabilidad en FAST/TOOLS proporcionado por Yokogawa Electric Corporation.\\n\\nEl servidor web acepta el acceso por direcci\u00f3n IP. Cuando un gusano que busca aleatoriamente direcciones IP se introduce en la red, podr\u00eda ser atacado por el gusano.\\n\\nLos productos y versiones afectados son los siguientes: FAST/TOOLS (Paquetes: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 a R10.04\"}],\"affected\":[{\"source\":\"7168b535-132a-4efe-a076-338f829b2eb9\",\"affectedData\":[{\"vendor\":\"Yokogawa Electric Corporation\",\"product\":\"FAST/TOOLS\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"R9.01\",\"lessThanOrEqual\":\"R10.04\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"7168b535-132a-4efe-a076-338f829b2eb9\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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\",\"baseScore\":6.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-02-09T19:04:12.574305Z\",\"id\":\"CVE-2025-66602\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"7168b535-132a-4efe-a076-338f829b2eb9\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-291\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:yokogawa:fast\\\\/tools:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"r9.01\",\"versionEndIncluding\":\"r10.04\",\"matchCriteriaId\":\"09CB375F-6336-400F-941D-1EFF531E6D59\"}]}]}],\"references\":[{\"url\":\"https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf\",\"source\":\"7168b535-132a-4efe-a076-338f829b2eb9\",\"tags\":[\"Vendor Advisory\"]}]}}",
"redhat_vex": {
"current_release_date": "2026-02-10T07:33:47+00:00",
"cve": "CVE-2025-66602",
"id": "CVE-2025-66602",
"initial_release_date": "2025-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2025-66602",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-66602.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-66602\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-09T19:04:12.574305Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-09T19:04:13.407Z\"}}], \"cna\": {\"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 6.9, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"LOW\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Yokogawa Electric Corporation\", \"product\": \"FAST/TOOLS\", \"versions\": [{\"status\": \"affected\", \"version\": \"R9.01\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"R10.04\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2026-02-09T03:00:00.000Z\", \"references\": [{\"url\": \"https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.5.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\\n\\n\\n\\nThe web server accepts\\naccess by IP address. When a worm that randomly searches for IP addresses\\nintrudes into the network, it could potentially be attacked by the worm.\\n\\n\\n\\nThe\\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\\nR10.04\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eA vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\u003c/p\u003e\\n\\n\u003cp\u003eThe web server accepts\\naccess by IP address. When a worm that randomly searches for IP addresses\\nintrudes into the network, it could potentially be attacked by the worm.\u003c/p\u003e\\n\\n\u003cp\u003eThe\\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\\nR10.04\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-291\", \"description\": \"CWE-291\"}]}], \"providerMetadata\": {\"orgId\": \"7168b535-132a-4efe-a076-338f829b2eb9\", \"shortName\": \"YokogawaGroup\", \"dateUpdated\": \"2026-02-09T03:16:47.620Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-66602\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-09T19:06:18.987Z\", \"dateReserved\": \"2025-12-05T05:04:18.583Z\", \"assignerOrgId\": \"7168b535-132a-4efe-a076-338f829b2eb9\", \"datePublished\": \"2026-02-09T03:16:47.620Z\", \"assignerShortName\": \"YokogawaGroup\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…