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 be overwritten on the underlying system, affecting system integrity and availability.
References8
- www.tp-link.com/en/support/download/archer-mr200/v7/#Firmware
- www.tp-link.com/en/support/download/archer-mr600/v2/#Firmware
- www.tp-link.com/en/support/download/tl-mr100/v3.20/#Firmware
- www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmware
- www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware
- www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware
- www.tp-link.com/en/support/faq/5237/
- www.tp-link.com/kr/support/download/tl-mr100/v3.20/#Firmware
Metrics
- CVSS 4.0
-
6.9
MEDIUM
Score source: CNA
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 45 · as of 12 November 2026
- CWE
- CWE-22
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.