CVE-2026-30817

An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 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.This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/	Third Party Advisory
https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware	Product
https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware	Product
https://www.tp-link.com/us/support/faq/5055/	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2305

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:archer_ax53_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:archer_ax53:1.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-08 19:25

Updated : 2026-07-25 11:10

NVD link : CVE-2026-30817

Mitre link : CVE-2026-30817

CVE.ORG link : CVE-2026-30817

JSON object : View

Products Affected

tp-link

archer_ax53_firmware
archer_ax53

CWE

CWE-15

External Control of System or Configuration Setting

CWE-610

Externally Controlled Reference to a Resource in Another Sphere

{"id": "CVE-2026-30817", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-30817", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-08T19:10:32.982476Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.7, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.1}], "cvssMetricV40": [{"type": "Secondary", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "cvssData": {"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/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "affectedData": [{"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"}]}], "published": "2026-04-08T19:25:20.627", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/", "tags": ["Third Party Advisory"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware", "tags": ["Product"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware", "tags": ["Product"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/faq/5055/", "tags": ["Vendor Advisory"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2305", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "description": [{"lang": "en", "value": "CWE-15"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-610"}]}], "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."}, {"lang": "es", "value": "Una vulnerabilidad de control de configuraci\u00f3n externo en el m\u00f3dulo OpenVPN de TP-Link AX53 v1.0 permite a un atacante adyacente autenticado leer archivos arbitrarios cuando se procesa un archivo de configuraci\u00f3n malicioso. La explotaci\u00f3n exitosa puede permitir el acceso no autorizado a archivos arbitrarios en el dispositivo, exponiendo potencialmente informaci\u00f3n sensible. Este problema afecta a AX53 v1.0: antes de 1.7.1 Build 20260213."}], "lastModified": "2026-07-25T11:10:00.100", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:archer_ax53_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B096B7BB-7693-4C45-B5F7-8FD6E4969DCE", "versionEndExcluding": "1.7.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:archer_ax53:1.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5F3EA1D9-EB47-4785-9CF0-F2B51945917D"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630"}