{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12001", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-06-11T16:23:35.413Z", "datePublished": "2026-07-27T20:08:50.230Z", "dateUpdated": "2026-07-27T20:08:50.230Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-07-27T20:08:50.230Z"}, "title": "Hardcoded Credential Vulnerability in Multiple TP-Link Router Models", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-798", "description": "CWE-798 Use of Hard-coded Credentials", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-70", "descriptions": [{"lang": "en", "value": "CAPEC-70 Try Common or Default Usernames and Passwords"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "TL-WR850N v3", "versions": [{"status": "affected", "version": "0", "lessThan": "TL-WR850N(IN)_V3.48_3.16.0 Build 260422_2048", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "Archer C20 v6", "versions": [{"status": "affected", "version": "0", "lessThan": "Archer C20(US)_V6_250630", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP Link Systems Inc.", "product": "TL-WR845N v4", "versions": [{"status": "affected", "version": "0", "lessThan": "TL-WR845N(UN)_V4_250401", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "Archer MR200 v5", "versions": [{"status": "affected", "version": "0", "lessThan": "Archer MR200(EU)_V5.20_1.3.0 Build 260319", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A hardcoded credential\nvulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, Archer C20 v6 & Archer MR200 v5). \u00a0Authentication-related credential material is\nembedded within a password file in the firmware image and may be recovered\nthrough firmware analysis.\n\n\n\n\n\nSuccessful\nexploitation could result in unauthorized access to privileged functions on\naffected devices.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A hardcoded credential\nvulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, Archer C20 v6 &amp; Archer MR200 v5). &nbsp;Authentication-related credential material is\nembedded within a password file in the firmware image and may be recovered\nthrough firmware analysis.</p>\n\n<p>Successful\nexploitation could result in unauthorized access to privileged functions on\naffected devices.</p>"}]}], "references": [{"url": "https://www.tp-link.com/en/support/download/archer-mr200/v5/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/in/support/download/archer-mr200/v5/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/download/archer-c20/v6/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/in/support/download/archer-c20/v6/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/tl-wr845n/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/in/support/download/tl-wr845n/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/in/support/download/tl-wr850n/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/faq/5210/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "PHYSICAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "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": "MEDIUM", "baseScore": 5.2, "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Carlos Trujillo", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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