{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30817", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-03-05T17:35:52.174Z", "datePublished": "2026-04-08T17:53:58.495Z", "dateUpdated": "2026-04-08T19:21:49.676Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-04-08T17:53:58.495Z"}, "title": "Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-15", "description": "CWE-15 External control of system or configuration setting", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-597", "descriptions": [{"lang": "en", "value": "CAPEC-597 Absolute Path Traversal"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "AX53 v1.0", "modules": ["dnsmasq"], "versions": [{"status": "affected", "version": "0", "lessThan": "1.7.1 Build 20260213", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An external configuration control vulnerability in the OpenVPN module\u00a0of TP-Link AX53 v1.0\u00a0allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An external configuration control vulnerability in the OpenVPN module&nbsp;of TP-Link AX53 v1.0&nbsp;allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.<p>This issue affects AX53 v1.0: before 1.7.1 Build 20260213.</p>"}]}], "references": [{"url": "https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware", "tags": ["patch"]}, {"url": "https://talosintelligence.com/vulnerability_reports/", "tags": ["third-party-advisory"]}, {"url": "https://www.tp-link.com/us/support/faq/5055/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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:H/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Lilith >_> of Cisco Talos", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.0-beta"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-08T19:10:32.982476Z", "id": "CVE-2026-30817", "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": "2026-04-08T19:21:49.676Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-30817", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-08T19:10:32.982476Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-08T19:10:39.247Z"}}], "cna": {"title": "Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Lilith >_> of Cisco Talos"}], "impacts": [{"capecId": "CAPEC-597", "descriptions": [{"lang": "en", "value": "CAPEC-597 Absolute Path Traversal"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.8, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "modules": ["dnsmasq"], "product": "AX53 v1.0", "versions": [{"status": "affected", "version": "0", "lessThan": "1.7.1 Build 20260213", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware", "tags": ["patch"]}, {"url": "https://talosintelligence.com/vulnerability_reports/", "tags": ["third-party-advisory"]}, {"url": "https://www.tp-link.com/us/support/faq/5055/", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.0-beta"}, "descriptions": [{"lang": "en", "value": "An external configuration control vulnerability in the OpenVPN module\u00a0of TP-Link AX53 v1.0\u00a0allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213.", "supportingMedia": [{"type": "text/html", "value": "An external configuration control vulnerability in the OpenVPN module&nbsp;of TP-Link AX53 v1.0&nbsp;allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.<p>This issue affects AX53 v1.0: before 1.7.1 Build 20260213.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-15", "description": "CWE-15 External control of system or configuration setting"}]}], "providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-04-08T17:53:58.495Z"}}}, "cveMetadata": {"cveId": "CVE-2026-30817", "state": "PUBLISHED", "dateUpdated": "2026-04-08T19:21:49.676Z", "dateReserved": "2026-03-05T17:35:52.174Z", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "datePublished": "2026-04-08T17:53:58.495Z", "assignerShortName": "TPLink"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:archer_ax53_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "B096B7BB-7693-4C45-B5F7-8FD6E4969DCE", "versionEndExcluding": "1.7.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:archer_ax53:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "5F3EA1D9-EB47-4785-9CF0-F2B51945917D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An external configuration control vulnerability in the OpenVPN module\u00a0of TP-Link AX53 v1.0\u00a0allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213."}], "id": "CVE-2026-30817", "lastModified": "2026-04-14T16:19:59.500", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.8, "baseSeverity": "MEDIUM", "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": "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:H/VI:N/VA:N/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}, "published": "2026-04-08T19:25:20.627", "references": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Product"], "url": "https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Product"], "url": "https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Vendor Advisory"], "url": "https://www.tp-link.com/us/support/faq/5055/"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-15"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-610"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.7.1 Build 20260213)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "AX53 v1.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "ax53_v1", "vendor": "tp-link"}], "analysis": {"en": {"generated_at": "2026-04-14T17:47:40.384899+00:00", "value": {"mitigation_remediation": ["Update TP\u2011Link Archer AX53 firmware to version 1.7.1 Build 20260213 or later, which removes the vulnerable OpenVPN module.", "Verify that the update has been applied and that the OpenVPN service is running only if required; disable it if not needed.", "Restrict local network access to authorized users and consider disabling the OpenVPN feature if the router does not need to provide such services."], "summary": {"action": "Patch firmware", "impact": "Unauthorized file access"}, "threat_synthesis": {"affected_systems": "TP\u2011Link Archer AX53 router, firmware version 1.0 and all releases prior to 1.7.1 Build 20260213 are affected.", "description_and_impact": "An authenticated adjacent attacker can read arbitrary files on a TP\u2011Link AX53 router by loading a malicious OpenVPN configuration file. The vulnerability allows disclosure of sensitive device data and potentially other configuration information, constituting a confidentiality breach.", "risk_and_exploitability": "The vulnerability has a CVSS score of 6.8, indicating moderate severity, and an EPSS score of less than 1%, indicating a low probability of exploitation. It is not listed in the CISA KEV catalog. The likely attack vector involves an authenticated adversary with local network access to the router, enabling them to upload or replace an OpenVPN configuration file to trigger the read operation."}}}}, "created": "2026-04-09T08:18:34.003509+00:00", "updated": "2026-04-15T16:15:11.926805+00:00", "vendors": ["tp-link", "tp-link$PRODUCT$ax53_v1"]}