{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8619","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2026-05-14T18:04:19.124Z","datePublished":"2026-08-19T23:11:51.163Z","dateUpdated":"2026-08-20T16:27:30.130Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-08-19T23:11:51.163Z"},"title":"Unauthenticated Denial-of-Service Vulnerability in HTTP Service in TP-Link TL-MR100, TL-MR150, TL-MR6400 and Archer MR600","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-476","description":"CWE-476 NULL pointer dereference","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-125","descriptions":[{"lang":"en","value":"CAPEC-125 Flooding"}]}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"TL-MR100 v3.2","platforms":["Linux"],"versions":[{"status":"affected","version":"0","lessThan":"TL-MR100(EU)_V3.20_1.3.0 Build 260609 Rel.49957n","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP-Link Systems Inc.","product":"TL-MR150 v.3.2","platforms":["Linux"],"versions":[{"status":"affected","version":"0","lessThan":"TL-MR150(EU)_V3.20_1.3.0 Build 260720 Rel.59727n","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP-Link Systems Inc.","product":"TL-MR6400 v8.0","platforms":["Linux"],"versions":[{"status":"affected","version":"0","lessThan":"TL-MR6400(EN)_V8_1.5.0 Build 260610 Rel.67978n","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP-Link Systems Inc","product":"Archer MR600 v2","platforms":["Linux"],"versions":[{"status":"affected","version":"0","lessThan":"Archer MR600(EU)_V2_1.10.0 Build 260618","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference. \nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.\n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference.&nbsp;\nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.</p>\n\n<p>Successful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable.&nbsp;&nbsp;</p>"}]}],"references":[{"url":"https://www.tp-link.com/en/support/download/archer-mr600/v2/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tl-mr100/v3.20/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5253/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","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":"HIGH","baseScore":7.1,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"haehet","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-8619","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-08-20T16:03:32.689670Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-20T16:27:30.130Z"}}]}}