CVE-2026-7123
Full vulnerability record from the local CVENow database.
Description
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument setIptvCfg results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.
Severity
HIGH
CVSS score
8.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-04-27 13:16:04.660000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-7123",
"sourceIdentifier": "[email protected]",
"published": "2026-04-27T13:16:04.660",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument setIptvCfg results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used."
},
{
"lang": "es",
"value": "Una vulnerabilidad fue encontrada en Totolink A8000RU 7.1cu.643_b20200521. Afectada es la función setIptvCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. Realizar una manipulación del argumento setIptvCfg resulta en inyección de comandos del sistema operativo. El ataque puede ser iniciado de forma remota. El exploit ha sido hecho público y podría ser usado."
}
],
"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": {
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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: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",
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"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
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"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": [
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"cvssData": {
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"scope": "UNCHANGED",
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"cvssMetricV2": [
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"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"authentication": "NONE",
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"acInsufInfo": false,
"obtainAllPrivilege": false,
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"obtainOtherPrivilege": false,
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"ssvcV203": [
{
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"timestamp": "2026-04-27T13:04:37.065035Z",
"id": "CVE-2026-7123",
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"weaknesses": [
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"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-77"
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{
"lang": "en",
"value": "CWE-78"
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],
"references": [
{
"url": "https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_308/README.md",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/800995",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/359722",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/359722/cti",
"source": "[email protected]"
},
{
"url": "https://www.totolink.net/",
"source": "[email protected]"
}
]
}