CVE-2026-7242
Full vulnerability record from the local CVENow database.
Description
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnClientCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enabled can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Severity
HIGH
CVSS score
8.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-04-28 09:16:17.627000
Last modified
2026-10-26 22:10:00.163000
View original CVE JSON
{
"id": "CVE-2026-7242",
"sourceIdentifier": "[email protected]",
"published": "2026-04-28T09:16:17.627",
"lastModified": "2026-10-26T22:10:00.163",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnClientCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enabled can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized."
},
{
"lang": "es",
"value": "Se determinó una vulnerabilidad en Totolink A8000RU 7.1cu.643_b20200521. Se ve afectada la función setOpenVpnClientCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. La ejecución de una manipulación del argumento enabled puede conducir a una inyección de comandos del sistema operativo. El ataque puede realizarse de forma remota. El exploit ha sido divulgado públicamente y puede utilizarse."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Totolink",
"product": "A8000RU",
"cpes": [
"cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*"
],
"modules": [
"CGI Handler"
],
"versions": [
{
"version": "7.1cu.643_b20200521",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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": 8.9,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"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"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
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],
"cvssMetricV2": [
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"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"baseScore": 10.0,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"availabilityImpact": "COMPLETE"
},
"baseSeverity": "HIGH",
"exploitabilityScore": 10.0,
"impactScore": 10.0,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-04-28T12:31:53.228244Z",
"id": "CVE-2026-7242",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
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{
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"role": "CISA Coordinator",
"version": "2.0.3"
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-77"
},
{
"lang": "en",
"value": "CWE-78"
}
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}
],
"references": [
{
"url": "https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_326/README.md",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/803265",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/359849",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/359849/cti",
"source": "[email protected]"
},
{
"url": "https://www.totolink.net/",
"source": "[email protected]"
}
]
}