Delta Electronics AS320T industrial device contains a buffer overflow vulnerability due to lack of proper length checking for directory name buffers. This vulnerability is part of a series of multiple security flaws (CVE-2026-1949, 1950, 1951, 1952) affecting the AS320T device. The vulnerability could potentially allow attackers to exploit buffer overflow conditions through directory name manipulation. Given the industrial nature of the affected device, this represents a significant security risk for operational technology environments.