CVE-2026-12339mediumCWE-22

CVE-2026-12339: medium-severity vulnerability in TP-Link Systems Inc. Archer MR200 v7

Authenticated Arbitrary File Write Vulnerability in multiple devices

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.5%
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:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
Affected products
TP-Link Systems Inc. · Archer MR200 v7TP-Link Systems Inc. · Archer MR600 v2TP-Link Systems Inc. · TL-MR100 v3.20TP-Link Systems Inc. · TL-MR150 v3.20TP-Link Systems Inc. · TL-MR6400 v5.3TP-Link Systems Inc. · TL-MR6400 v8.0
Related CVEs — TP-Link Systems Inc. Archer MR200 v7

In the same product, most dangerous first.

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