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Anisotropy effects on flux pinning and flux flow are strongly effective incuprate as well as iron-based superconductors due to their intrinsicallylayered crystallographic structure. However $\textrm{Fe(Se,Te)}$ thin filmsgrown on $\textrm{CaF}_2$ substrate result less anisotropic with respect to allthe other iron based superconductors. We present the first study on the angulardependence of the flux flow instability, which occurs in the flux flow regimeas a current driven transition to the normal state at the instability point($I^*$,$V^*$) in the current-voltage characteristics. The voltage jumps aresystematically investigated as a function of the temperature, the externalmagnetic field, and the angle between the field and the $\textrm{Fe(Se,Te)}$film. The scaling procedure based on the anisotropic Ginzburg-Landau approachis successfully applied to the observed angular dependence of the criticalvoltage $V^*$. Anyway, we find out that $\textrm{Fe(Se,Te)}$ represents thecase study of a layered material characterized by a weak anisotropy of itsstatic superconducting properties, but with an increased anisotropy in itsvortex dynamics due to the predominant perpendicular component of the externalapplied magnetic field. Indeed, $I^*$ shows less sensitivity to anglevariations, thus being promising for high field applications.

Angular dependence of vortex instability in a layered superconductor: the case study of Fe(Se,Te) material