{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102294", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-09-28T20:55:19.080Z", "datePublished": "2026-10-01T17:30:19.919Z", "dateUpdated": "2026-10-01T17:48:24.216Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-10-01T17:30:19.919Z"}, "title": "Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-88", "descriptions": [{"lang": "en", "value": "CAPEC-88 OS Command Injection"}]}], "affected": [{"vendor": "TP-Link System Inc.", "product": "TL-WR841N v14", "versions": [{"status": "affected", "version": "0", "lessThan": "4.19 Build 260821 (EN)", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "4.19 Build 260820 (US)", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "TP-Link TL-WR841N contains an authenticated OS command injection vulnerability in the IPv6 WAN configuration. A crafted IPv6 Gateway value is improperly incorporated into a system command, allowing an authenticated administrator to execute arbitrary operating system commands.\u00a0\n\nSuccessful exploitation may allow unauthorized access to sensitive information, modification of device configuration or services, and disruption of device operation.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>TP-Link TL-WR841N contains an authenticated OS command injection vulnerability in the IPv6 WAN configuration. A crafted IPv6 Gateway value is improperly incorporated into a system command, allowing an authenticated administrator to execute arbitrary operating system commands.&nbsp;</div><div>Successful exploitation may allow unauthorized access to sensitive information, modification of device configuration or services, and disruption of device operation.</div>\n<br>"}]}], "references": [{"url": "https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/faq/5320/", "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": "HIGH", "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": 8.5, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Petar Knezevic <p.knezevic@gmx.ch>", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-01T17:48:15.761569Z", "id": "CVE-2026-102294", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-01T17:48:24.216Z"}}]}}

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