CVE-2026-12339

A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to be overwritten on the underlying system, affecting system integrity and availability.

CVSS

No CVSS.

References

Link	Resource
https://www.tp-link.com/en/support/download/archer-mr200/v7/#Firmware
https://www.tp-link.com/en/support/download/archer-mr600/v2/#Firmware
https://www.tp-link.com/en/support/download/tl-mr100/v3.20/#Firmware
https://www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmware
https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware
https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware
https://www.tp-link.com/en/support/faq/5237/
https://www.tp-link.com/kr/support/download/tl-mr100/v3.20/#Firmware

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-10 19:17

Updated : 2026-08-26 05:18

NVD link : CVE-2026-12339

Mitre link : CVE-2026-12339

CVE.ORG link : CVE-2026-12339

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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"product": "TL-MR150 v3.20", "versions": [{"status": "affected", "version": "0", "lessThan": "(EU)_1.3.0 0.9.1 v0001.0 Build 260720 Rel.59727n", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "TL-MR100 v3.20", "versions": [{"status": "affected", "version": "0", "lessThan": "(EU)_1.3.0 0.9.1 v0001.0 Build 260609 Rel.49957n", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "1.1.0 0.9.1 v0001.0 Build 260609 Rel35479n, \u00a0Customized Software for South Korea KT", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "1.2.0 0.9.1 v0001.0 Build 260609 Rel.36250n, Customized Software for South Korea Telenor", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-10T19:17:28.500", "references": [{"url": "https://www.tp-link.com/en/support/download/archer-mr200/v7/#Firmware", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/archer-mr600/v2/#Firmware", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/tl-mr100/v3.20/#Firmware", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmware", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/faq/5237/", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/kr/support/download/tl-mr100/v3.20/#Firmware", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "description": [{"lang": "en", "value": "CWE-22"}]}], "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 be overwritten on the underlying system, affecting system integrity and availability."}], "lastModified": "2026-08-26T05:18:05.410", "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630"}