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CVE-2021-21891

Description

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 (deletefile). An attacker can make an authenticated HTTP request to trigger this vulnerability.

POC

Reference

- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334

Github

No PoCs found on GitHub currently.