{"cve":"CVE-2026-12339","nvd":{"published":"2026-08-10T19:17:28.500","modified":"2026-10-23T20:10:00.160","status":"Awaiting Analysis","description":"A Zip Slip vulnerability in the WebUI ISP\nUpgrade functionality allows arbitrary file write via a crafted archive\ncontaining directory traversal sequences. An authenticated administrator may\noverwrite arbitrary files on the system.Successful\nexploitation may allow arbitrary file to be overwritten on the underlying system, affecting system integrity and availability.","cvss_v4":{"vector":"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","score":6.9},"cvss_v3":null,"cwes":["CWE-22"],"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-mr100/v3.20/#Firmware","https://www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmware","https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:34.184483516+00:00"},"epss":{"cve":"CVE-2026-12339","score":0.00525,"percentile":0.44227,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}