CVE-2026-12339

EUVD-2026-55700
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 overwrite on the underlying system, affecting system integrity and availability.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
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-mr6400/v5.30/#Firmware
https://www.tp-link.com/en/support/faq/5237/