{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9031", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-05-19T16:30:34.816Z", "datePublished": "2026-08-07T20:40:18.549Z", "dateUpdated": "2026-08-07T20:51:35.937Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-08-07T20:51:35.937Z"}, "title": "Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper input validation", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-153", "descriptions": [{"lang": "en", "value": "CAPEC-153 Input Data Manipulation"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "Archer A6 v4", "modules": ["httpd"], "versions": [{"status": "affected", "version": "0", "lessThan": "V4_1.15.10 Build 260625 Rel.25447", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An input validation\nvulnerability exists in the HTTP-WRITEOEM handler due to insufficient validation\nof user-supplied data before it is processed by internal flash-write handling\nlogic.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may cause httpd process or device to crash, resulting in loss of access\nto the web interface and a denial-of-service condition.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An input validation\nvulnerability exists in the HTTP-WRITEOEM handler due to insufficient validation\nof user-supplied data before it is processed by internal flash-write handling\nlogic.</p><p>\n\n</p><p>Successful\nexploitation may cause httpd process or device to crash, resulting in loss of access\nto the web interface and a denial-of-service condition.</p>"}]}], "references": [{"url": "https://www.tp-link.com/us/support/download/archer-a6/v4/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/archer-a6/v4/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/faq/5234/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.8, "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"}}], "credits": [{"lang": "en", "value": "Dariusz Go\u0144da", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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{"created": "2026-08-07T21:30:18.184324+00:00", "updated": "2026-08-07T21:30:18.184337+00:00", "vendors": []}