There are multiple stack-based buffer overflow vulnerabilities in V-SFT (v6.2.2.0 and earlier), TELLUS (v4.0.19.0 and earlier), and TELLUS Lite (v4.0.19.0 and earlier). If a user opens a specially crafted file, information may be disclosed and/or arbitrary code may be executed.
https://monitouch.fujielectric.com/site/download-e/03tellus_inf/index.php