Multiple improper restriction of operations within the bounds of a memory buffer issues exist in TELLUS V4.0.17.0 and earlier and TELLUS Lite V4.0.17.0 and earlier. If a user opens a specially crafted file (X1, V8, or V9 file), information may be disclosed and/or arbitrary code may be executed.
https://monitouch.fujielectric.com/site/download-e/03tellus_inf/index.php
https://jvn.jp/en/vu/JVNVU93840158/
https://hakko-elec.co.jp/site/download/03tellus_inf/index.php