AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-21894

CRITICAL · CVSS 9.1 EPSS 2.40%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-22 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-21894
Severity
CRITICAL
CVSS
9.1
EPSS
2.40%

Original NVD Description

A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary file overwrite FsTFtp file disclosure. An attacker can make an authenticated HTTP request to trigger this vulnerability.