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.

Related CVEs

CVE-2021-21891

Key Information

GHSA ID

GHSA-c2pc-v7xf-jj54

Published

December 23, 2021 12:01 AM

Last Modified

April 20, 2022 12:01 AM

CVSS Score

9.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: August 1, 2025 6:44 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.