CVE-2021-21891

CVE-2021-21891 refers to a stack-based buffer overflow in Lantronix PremierWave 2050 Web ManagerFsBrowseClean (QEMU 8.9.0.0R4). The vulnerability arises in the handling of POST parameters action, path and dir, with unchecked sprintf into a 4120-byte buffer (buff) when action is deletedir or delet...