CVE-2026-22228

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Restoring such a file can cause the device to become unresponsive, requiring a reboot to restore normal operation.\nThis issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420."}, {"lang": "es", "value": "Un usuario autenticado con privilegios elevados puede desencadenar una condici\u00f3n de denegaci\u00f3n de servicio en el TP-Link Archer BE230 v1.2 al restaurar un archivo de configuraci\u00f3n manipulado que contiene un par\u00e1metro excesivamente largo. La restauraci\u00f3n de dicho archivo puede hacer que el dispositivo deje de responder, lo que requiere un reinicio para restaurar el funcionamiento normal.\nEste problema afecta a Archer BE230 v1.2 &lt; 1.2.4 Build 20251218 rel.70420."}], "id": "CVE-2026-22228", "lastModified": "2026-06-17T10:19:35.543", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-22228", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-04T18:27:53.729113Z", "version": "2.0.3"}}]}, "published": "2026-02-03T18:16:19.227", "references": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Product"], "url": "https://www.tp-link.com/en/support/download/archer-be230/v1.20/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Product"], "url": "https://www.tp-link.com/sg/support/download/archer-be230/v1.20/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Product"], "url": "https://www.tp-link.com/us/support/download/archer-be230/v1.20/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Vendor Advisory"], "url": "https://www.tp-link.com/us/support/faq/4941/"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T18:35:17.532593+00:00", "value": {"mitigation_remediation": ["Download and install firmware version 1.2.4 or newer from the TP\u2011Link support site, then apply the update through the router\u2019s web interface.", "Reboot the router after the firmware installation.", "If an update is not immediately available, monitor TP\u2011Link\u2019s support site for the latest firmware releases that address this vulnerability and apply the update promptly when it becomes available."], "summary": {"action": "Patch Firmware", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "TP\u2011Link Archer BE230 devices running firmware before version\u00a01.2.4 Build\u00a020251218 rel.70420 are vulnerable. Any device operating on firmware images older than this build, such as the v1.2 series, must be addressed.", "description_and_impact": "An authenticated user with high privileges can trigger a denial\u2011of\u2011service on TP\u2011Link Archer BE230 by restoring a configuration file that contains an excessively long parameter. The restoration overflows internal buffers, rendering the router unresponsive until it is rebooted. The flaw is an input\u2011validation vulnerability, classified as CWE\u2011400, and limits availability to the affected device during the unresponsive period.", "risk_and_exploitability": "The CVSS score of 6.8 places this vulnerability in the Medium severity range, while the EPSS score of less than\u00a01% signals a very low current exploitation probability. It is not listed in the CISA KEV catalog. Exploitation requires authenticated access with administrative privileges, implying an internal or compromised configuration model rather than an unauthenticated network attack. The risk therefore concentrates on environments where privileged users can upload configuration files to an unpatched router."}}}}, "created": "2026-02-04T12:09:36.274065+00:00", "updated": "2026-04-18T18:45:05.749933+00:00", "vendors": ["tp-link", "tp-link$PRODUCT$archer_be230"]}