CVE-2026-7152
Full vulnerability record from the local CVENow database.
Description
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnet_enabled leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Severity
HIGH
CVSS score
8.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-04-27 20:16:29.063000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-7152",
"sourceIdentifier": "[email protected]",
"published": "2026-04-27T20:16:29.063",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnet_enabled leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used."
},
{
"lang": "es",
"value": "Se identificó una vulnerabilidad en Totolink A8000RU 7.1cu.643_b20200521. El elemento afectado es la función setTelnetCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. Dicha manipulación del argumento telnet_enabled conduce a una inyección de comandos del sistema operativo. Es posible lanzar el ataque de forma remota. El exploit está disponible públicamente y podría ser utilizado."
}
],
"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": {
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"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",
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"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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"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,
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"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "COMPLETE",
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"availabilityImpact": "COMPLETE"
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"exploitabilityScore": 10.0,
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"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
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}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-04-28T15:36:26.432009Z",
"id": "CVE-2026-7152",
"options": [
{
"exploitation": "poc"
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{
"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_316/README.md",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/801138",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/359751",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/359751/cti",
"source": "[email protected]"
},
{
"url": "https://www.totolink.net/",
"source": "[email protected]"
}
]
}