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La manipulación del argumento wans.policy.list1 resulta en inyección de comandos del sistema operativo. Es posible lanzar el ataque de forma remota. El exploit ha sido publicado y puede ser utilizado para ataques."}],"affected":[{"source":"cna@vuldb.com","affectedData":[{"vendor":"Tenda","product":"AC8","cpes":["cpe:2.3:o:tenda:ac8_firmware:*:*:*:*:*:*:*:*"],"modules":["Web Interface"],"versions":[{"version":"16.03.50.11","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/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":2.0,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","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":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","baseScore":4.7,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":1.2,"impactScore":3.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:M/C:P/I:P/A:P","baseScore":5.8,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"MULTIPLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":6.4,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-03-16T18:00:20.811092Z","id":"CVE-2026-4253","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cna@vuldb.com","type":"Secondary","description":[{"lang":"en","value":"CWE-77"},{"lang":"en","value":"CWE-78"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-78"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:tenda:ac8_firmware:16.03.50.11:*:*:*:*:*:*:*","matchCriteriaId":"3744DBBC-5138-4CCE-8C19-9F807AE34304"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:tenda:ac8:5.0:*:*:*:*:*:*:*","matchCriteriaId":"2C8EA663-E451-426B-8CC7-B281436CCFB8"}]}]}],"references":[{"url":"https://github.com/digitalandrew/tenda_ac8_v5/blob/main/poc_cmdi_config_upload.py","source":"cna@vuldb.com","tags":["Exploit"]},{"url":"https://vuldb.com/?ctiid.351211","source":"cna@vuldb.com","tags":["Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?id.351211","source":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?submit.771771","source":"cna@vuldb.com","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.tenda.com.cn/","source":"cna@vuldb.com","tags":["Product"]}]}}]}