CVE-2026-22220

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Un atacante adyacente a la red con privilegios elevados podr\u00eda causar que la interfaz web del dispositivo deje de responder temporalmente hasta que se recupere o se reinicie.\nEste problema afecta a Archer BE230 v1.2 &lt; 1.2.4 Build 20251218 rel.70420."}], "id": "CVE-2026-22220", "lastModified": "2026-06-17T10:19:34.560", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "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": "NONE", "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:N/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-2026-22220", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-04T18:31:02.300086Z", "version": "2.0.3"}}]}, "published": "2026-02-03T18:16:19.077", "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-20"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T14:13:00.253864+00:00", "value": {"mitigation_remediation": ["Update the Archer BE230 firmware to version 1.2.4 or later from TP\u2011Link\u2019s official website.", "Restart the device after the firmware update to ensure the web service is properly refreshed.", "Configure network firewalls to restrict access to the web interface to trusted management hosts only, limiting exposure to local attackers."], "summary": {"action": "Apply patch", "impact": "Denial of Service on the device's web interface"}, "threat_synthesis": {"affected_systems": "TP\u2011Link Archer BE230 devices running firmware v1.2 prior to 1.2.4 (Build 20251218 rel.70420). Any device within the local network that exposes the web interface is potentially affected.", "description_and_impact": "The vulnerability arises from improper input validation in the HTTP processing path of TP\u2011Link Archer BE230 firmware v1.2. A specially crafted request can cause the web service to hang, rendering the web interface unresponsive until the device recovers or is rebooted. This results in a denial of service that affects availability of the administrative interface, and is classified as CWE\u201120.", "risk_and_exploitability": "The CVSS score of 6.8 indicates moderate severity, while the EPSS score of less than 1% suggests a very low probability of exploitation at present. The vulnerability is not listed in the CISA KEV catalog. The likely attack vector is a local network attacker with high privileges, inferred from the need for the attacker to be network adjacent and able to send crafted HTTP requests to the device."}}}}, "created": "2026-02-04T12:09:29.378155+00:00", "updated": "2026-04-18T14:15:04.137014+00:00", "vendors": ["tp-link", "tp-link$PRODUCT$archer_be230"]}