CVE-2025-68404
Full vulnerability record from the local CVENow database.
Description
A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter. If exploited, the vulnerability could allow remote attackers to compromise the security of the system. We have already fixed the vulnerability in the following version: QuRouter 2.6.4.001 and later
Severity
HIGH
CVSS score
7.5
(v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-15 07:17:57.157000
Last modified
2026-10-19 22:10:00.130000
View original CVE JSON
{
"id": "CVE-2025-68404",
"sourceIdentifier": "[email protected]",
"published": "2026-10-15T07:17:57.157",
"lastModified": "2026-10-19T22:10:00.130",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nQuRouter 2.6.4.001 and later"
},
{
"lang": "es",
"value": "Se ha informado de una vulnerabilidad de condición de carrera de tiempo de verificación a tiempo de uso (TOCTOU) que afecta a QuRouter. De ser explotada, la vulnerabilidad podría permitir a atacantes remotos comprometer la seguridad del sistema.\n\nLa vulnerabilidad ya ha sido corregida en la siguiente versión:\nQuRouter 2.6.4.001 y versiones posteriores"
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "QNAP Systems Inc.",
"product": "QuRouter",
"defaultStatus": "unaffected",
"versions": [
{
"version": "2.6.x",
"lessThan": "2.6.4.001",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/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": 7.5,
"baseSeverity": "HIGH",
"attackVector": "ADJACENT",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"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"
}
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-15T18:31:57.590370Z",
"id": "CVE-2025-68404",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-367"
}
]
}
],
"references": [
{
"url": "https://www.qnap.com/en/release-notes/qurouter/overview/2.7",
"source": "[email protected]"
}
]
}