Critical severity9.1NVD Advisory· Published Dec 22, 2021· Updated Jun 17, 2026
CVE-2021-21891
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Lantronix/PremierWave 2050description
- Range: = 8.9.0.0R4
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1334nvdExploitTechnical DescriptionThird Party Advisory
News mentions
0No linked articles in our index yet.