CVE-2026-113390
Full vulnerability record from the local CVENow database.
Description
A flaw has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218. Affected by this issue is the function sub_182B0 of the file /cgi-bin/mainfunction.cgi of the component CGI Interface. This manipulation of the argument usefile/usescript/option causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor explains: "2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)". This vulnerability only affects products that are no longer supported by the maintainer.
Severity
HIGH
CVSS score
8.6
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-10-20 13:16:40.463000
Last modified
2026-10-22 22:18:03.607000
View original CVE JSON
{
"id": "CVE-2026-113390",
"sourceIdentifier": "[email protected]",
"published": "2026-10-20T13:16:40.463",
"lastModified": "2026-10-22T22:18:03.607",
"vulnStatus": "Deferred",
"cveTags": [
{
"sourceIdentifier": "[email protected]",
"tags": [
"unsupported-when-assigned"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218. Affected by this issue is the function sub_182B0 of the file /cgi-bin/mainfunction.cgi of the component CGI Interface. This manipulation of the argument usefile/usescript/option causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor explains: \"2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)\". This vulnerability only affects products that are no longer supported by the maintainer."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "DrayTek",
"product": "Vigor2960",
"cpes": [
"cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:*"
],
"modules": [
"CGI Interface"
],
"versions": [
{
"version": "1.5.1.6 Revision 8218",
"status": "affected"
}
]
}
]
}
],
"metrics": {
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"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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": 8.6,
"baseSeverity": "HIGH",
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"attackRequirements": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "HIGH",
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"exploitMaturity": "PROOF_OF_CONCEPT",
"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"
}
}
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"cvssMetricV31": [
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"scope": "CHANGED",
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"cvssMetricV2": [
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"cvssData": {
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"authentication": "SINGLE",
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"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
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"ssvcV203": [
{
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"timestamp": "2026-10-22T21:23:15.658500Z",
"id": "CVE-2026-113390",
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"weaknesses": [
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"type": "Secondary",
"description": [
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"references": [
{
"url": "https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0007-authenticated-jsonstatus-usefile-file-clobber",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-113390",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/992224",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/422666",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/422666/cti",
"source": "[email protected]"
}
]
}