CVE-2026-78249

A path traversal vulnerability exists in the web management interface of multiple Multifunction Devices and Printers, including Apeos C4571 1.1.3 and earlier, Apeos C3567 1.1.3, or other products listed,  specifically in the handling of externally supplied parameters. 

If the device receives a specially crafted, malicious request, it may trigger unintended processing.