{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-17252", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-07-24T22:03:13.178Z", "datePublished": "2026-08-21T17:16:51.552Z", "dateUpdated": "2026-08-21T17:38:36.456Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-08-21T17:16:51.552Z"}, "title": "Unauthenticated Denial of Service via Composed HTTP Parsing and Stack-Based Out-of-Bounds Write Vulnerability in TL-MR6400 Web Management Interface", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "TL-MR6400 v7.0", "versions": [{"status": "affected", "version": "0", "lessThan": "1.9.0 Build 260714", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A\nstack-based out-of-bounds write vulnerability exists in the login request\nhandling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability\nby sending a specially crafted malformed HTTP request. \n\n\n\n\n\nSuccessful\nexploitation may cause the web service process to crash, resulting in a\ndenial-of-service condition and temporary loss of access to the router's web\nmanagement interface.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A\nstack-based out-of-bounds write vulnerability exists in the login request\nhandling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability\nby sending a specially crafted malformed HTTP request. </p>\n\n<p>Successful\nexploitation may cause the web service process to crash, resulting in a\ndenial-of-service condition and temporary loss of access to the router's web\nmanagement interface.</p>"}]}], "references": [{"url": "https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/tw/support/download/tl-mr6400/v7/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/faq/5259/", "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": "Rui Cheng Yu (Hina)", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-21T17:38:28.929657Z", "id": "CVE-2026-17252", "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": "2026-08-21T17:38:36.456Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-17252", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-21T17:38:28.929657Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-21T17:38:33.250Z"}}], "cna": {"title": "Unauthenticated Denial of Service via Composed HTTP Parsing and Stack-Based Out-of-Bounds Write Vulnerability in TL-MR6400 Web Management Interface", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Rui Cheng Yu (Hina)"}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "TL-MR6400 v7.0", "versions": [{"status": "affected", "version": "0", "lessThan": "1.9.0 Build 260714", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/tw/support/download/tl-mr6400/v7/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/faq/5259/", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.4"}, "descriptions": [{"lang": "en", "value": "A\nstack-based out-of-bounds write vulnerability exists in the login request\nhandling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability\nby sending a specially crafted malformed HTTP request. \n\n\n\n\n\nSuccessful\nexploitation may cause the web service process to crash, resulting in a\ndenial-of-service condition and temporary loss of access to the router's web\nmanagement interface.", "supportingMedia": [{"type": "text/html", "value": "<p>A\nstack-based out-of-bounds write vulnerability exists in the login request\nhandling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability\nby sending a specially crafted malformed HTTP request. </p>\n\n<p>Successful\nexploitation may cause the web service process to crash, resulting in a\ndenial-of-service condition and temporary loss of access to the router's web\nmanagement interface.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write"}]}], "providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-08-21T17:16:51.552Z"}}}, "cveMetadata": {"cveId": "CVE-2026-17252", "state": "PUBLISHED", "dateUpdated": "2026-08-21T17:38:36.456Z", "dateReserved": "2026-07-24T22:03:13.178Z", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "datePublished": "2026-08-21T17:16:51.552Z", "assignerShortName": "TPLink"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "TL-MR6400 v7.0", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "1.9.0 Build 260714", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A\nstack-based out-of-bounds write vulnerability exists in the login request\nhandling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability\nby sending a specially crafted malformed HTTP request. \n\n\n\n\n\nSuccessful\nexploitation may cause the web service process to crash, resulting in a\ndenial-of-service condition and temporary loss of access to the router's web\nmanagement interface."}], "id": "CVE-2026-17252", "lastModified": "2026-08-21T18:16:47.803", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-17252", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-21T17:38:28.929657Z", "version": "2.0.3"}}]}, "published": "2026-08-21T18:16:47.803", "references": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/tw/support/download/tl-mr6400/v7/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/us/support/faq/5259/"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}

{}

{"created": "2026-08-21T18:30:17.462765+00:00", "updated": "2026-08-21T18:30:17.462772+00:00", "vendors": []}