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    "cveMetadata": {
        "cveId": "CVE-2026-76653",
        "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "state": "PUBLISHED",
        "assignerShortName": "TPLink",
        "dateReserved": "2026-08-19T15:49:30.548Z",
        "datePublished": "2026-09-10T20:12:43.207Z",
        "dateUpdated": "2026-09-10T20:27:18.091Z"
    },
    "containers": {
        "cna": {
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                "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
                "shortName": "TPLink",
                "dateUpdated": "2026-09-10T20:12:43.207Z"
            },
            "title": "Missing Authentication in VPN Configuration Management in TP-Link TL-MR6400 and Archer MR600",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-126",
                            "description": "CWE-126",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-126",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-126 Path Traversal"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "TP-Link Systems Inc.",
                    "product": "TL-MR6400 v8",
                    "platforms": [
                        "Linux"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978n",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                },
                {
                    "vendor": "TP-Link Systems Inc.",
                    "product": "Archer MR600",
                    "platforms": [
                        "Linux"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "v3",
                            "lessThan": "MR600(EU)_V3_1.4.0 Build 260827",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "v2",
                            "lessThan": "MR600(EU)_V2_1.12.0 Build 2600826",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A missing\nauthentication vulnerability in the VPN configuration management has been\nidentified in Archer MR600 (v2, v3 & v5) and TL-MR6400 v8 due to improper access control; a remote unauthenticated attacker\nmay be able to access and modify VPN configuration information without valid\ncredentials.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow a remote unauthenticated attacker to disclose and modify\nVPN configuration information.",
                    "supportingMedia": [
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                            "value": "<p><span>A missing\nauthentication vulnerability in the VPN configuration management has been\nidentified&nbsp;</span><span>in Archer MR600 (v2, v3 &amp; v5) and TL-MR6400 v8</span><span>&nbsp;</span><span>due to improper access control; a remote unauthenticated attacker\nmay be able to access and modify VPN configuration information without valid\ncredentials.</span></p><p>\n\n</p><p>Successful\nexploitation may allow a remote unauthenticated attacker to disclose and modify\nVPN configuration information.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://www.tp-link.com/en/support/download/archer-mr600/v5/#Firmware",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://www.tp-link.com/us/support/faq/5292/",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
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                {
                    "format": "CVSS",
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                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "ADJACENT",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "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": 5.3,
                        "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Jincheng Wang (@winmt) from Nanjing University of Posts and Telecommunications",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
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                "metrics": [
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                            "content": {
                                "timestamp": "2026-09-10T20:27:12.333163Z",
                                "id": "CVE-2026-76653",
                                "options": [
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                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                "role": "CISA Coordinator",
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                "title": "CISA ADP Vulnrichment",
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