{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12339", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-06-15T15:51:52.827Z", "datePublished": "2026-08-10T18:20:50.576Z", "dateUpdated": "2026-08-10T18:20:50.576Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-08-10T18:20:50.576Z"}, "title": "Authenticated Arbitrary File Write Vulnerability in multiple devices", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-17", "descriptions": [{"lang": "en", "value": "CAPEC-17 Using Malicious Files"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "TL-MR6400 v5.3", "versions": [{"status": "affected", "version": "0", "lessThan": "(EU)_1.10.0 0.9.1 v0001.0 Build 260613 RC.76099n", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "Archer MR600 v2", "versions": [{"status": "affected", "version": "0", "lessThan": "(EU)_1.10.0 0.9.1 v0001.0 Build 260618 RC.40417n", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "Archer MR200 v7", "versions": [{"status": "affected", "version": "0", "lessThan": "(EU)_1.3.0 0.9.1 v0001.0 Build 260605 Rel.57870n", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A Zip Slip vulnerability in the WebUI ISP\nUpgrade functionality allows arbitrary file write via a crafted archive\ncontaining directory traversal sequences. An authenticated administrator may\noverwrite arbitrary files on the system.Successful\nexploitation may allow arbitrary file to overwrite on the underlying system, affecting system integrity and availability.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A Zip Slip vulnerability in the WebUI ISP\nUpgrade functionality allows arbitrary file write via a crafted archive\ncontaining directory traversal sequences. An authenticated administrator may\noverwrite arbitrary files on the system.<div>Successful\nexploitation may allow arbitrary file to overwrite on the underlying system, affecting system integrity and availability. </div>"}]}], "references": [{"url": "https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/archer-mr600/v2/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/archer-mr200/v7/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/faq/5237/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "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": 6.9, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "MrBruh", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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{"created": "2026-08-10T19:30:17.194920+00:00", "updated": "2026-08-10T19:30:17.194926+00:00", "vendors": []}