CVE-2026-12339

Description

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.

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/