{"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": "2026-08-19T23:11:51.163Z"}, "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.\u00a0\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"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "TL-MR100 v3.2", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "TL-MR100(EU)_V3.20_1.3.0 Build 260609 Rel.49957n", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "TL-MR150 v.3.2", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "TL-MR150(EU)_V3.20_1.3.0 Build 260720 Rel.59727n", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "TL-MR6400 v8.0", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "TL-MR6400(EN)_V8_1.5.0 Build 260610 Rel.67978n", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Archer MR600 v2", "vendor": "TP-Link Systems Inc", "versions": [{"lessThan": "Archer MR600(EU)_V2_1.10.0 Build 260618", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}], "cveTags": [], "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.\u00a0\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."}], "id": "CVE-2026-8619", "lastModified": "2026-08-20T00:16:53.157", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "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": "NONE", "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:N/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"}]}, "published": "2026-08-20T00:16:53.157", "references": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/en/support/download/archer-mr600/v2/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/en/support/download/tl-mr100/v3.20/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/us/support/faq/5253/"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}

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