{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22220","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2026-01-06T18:18:52.126Z","datePublished":"2026-02-03T17:15:59.836Z","dateUpdated":"2026-02-04T18:32:13.840Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["web"],"product":"Archer BE230 v1.2","vendor":"TP-Link Systems Inc.","versions":[{"lessThan":"1.2.4 Build 20251218 rel.70420","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"zeix"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A lack of proper input validation in the HTTP processing path in TP-Link Archer BE230 v1.2 (web modules) may allow a crafted request to cause the device’s web service to become unresponsive, resulting in a denial of service condition. A network adjacent attacker with high privileges could cause the device’s web interface to temporarily stop responding until it recovers or is rebooted.<br><p>This issue affects Archer BE230 v1.2 &lt; 1.2.4 Build 20251218 rel.70420.</p>"}],"value":"A lack of proper input validation in the HTTP processing path in TP-Link Archer BE230 v1.2 (web modules) may allow a crafted request to cause the device’s web service to become unresponsive, resulting in a denial of service condition. A network adjacent attacker with high privileges could cause the device’s web interface to temporarily stop responding until it recovers or is rebooted.\nThis issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420."}],"impacts":[{"capecId":"CAPEC-469","descriptions":[{"lang":"en","value":"CAPEC-469 HTTP DoS"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":6.8,"baseSeverity":"MEDIUM","exploitMaturity":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-02-03T17:15:59.836Z"},"references":[{"tags":["patch"],"url":"https://www.tp-link.com/us/support/download/archer-be230/v1.20/#Firmware"},{"tags":["patch"],"url":"https://www.tp-link.com/en/support/download/archer-be230/v1.20/#Firmware"},{"tags":["patch"],"url":"https://www.tp-link.com/sg/support/download/archer-be230/v1.20/#Firmware"},{"tags":["vendor-advisory"],"url":"https://www.tp-link.com/us/support/faq/4941/"}],"source":{"discovery":"UNKNOWN"},"title":"Improper Input Validation Leading to DoS on TP-Link Archer BE230","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-04T18:31:02.300086Z","id":"CVE-2026-22220","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-04T18:32:13.840Z"}}]}}