Stack-based Buffer Overflow in Lantronix PremierWave 2050 Web Manager FsBrowseClean Functionality

CVE-2021-21890 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

A stack-based buffer overflow vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution in the vulnerable portion of the branch (deletedir). An attacker can make an authenticated HTTP request to trigger this vulnerability.

Learn more about our Web App Pen Testing.