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

23 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad Zip Slip en la funcionalidad de actualización ISP de la WebUI permite la escritura arbitraria de archivos a través de un archivo comprimido manipulado que contiene secuencias de salto de directorio. Un administrador autenticado puede sobrescribir archivos arbitrarios en el sistema. La explotación exitosa puede permitir la sobrescritura arbitraria de archivos en el sistema subyacente, afectando la integridad y disponibilidad del sistema.

Information

Published : 2026-08-10 19:17

Updated : 2026-10-23 20:10

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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"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": 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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."}, {"lang": "es", "value": "Una vulnerabilidad Zip Slip en la funcionalidad de actualizaci\u00f3n ISP de la WebUI permite la escritura arbitraria de archivos a trav\u00e9s de un archivo comprimido manipulado que contiene secuencias de salto de directorio. Un administrador autenticado puede sobrescribir archivos arbitrarios en el sistema. La explotaci\u00f3n exitosa puede permitir la sobrescritura arbitraria de archivos en el sistema subyacente, afectando la integridad y disponibilidad del sistema."}], "lastModified": "2026-10-23T20:10:00.160", "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630"}