CVE-2026-12339: TP-Link Systems Inc Archer MR200 v7

Medium severity, CVSS 6.9. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

Published 2026-08-10. Last modified 2026-08-26.