CVE-2026-12339

Technical details are not publicly available in the provided documents for CVE-2026-12339. No vendor-confirmed impact, affected products, or remediation are specified here. Monitor for updates and refer to the CVE entry for official details.

CVE-2026-12339 Authenticated Arbitrary File Write Vulnerability in multiple devices

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...