CVE-2021-21894

CVSS 3.1: 9.1 critical
EPSS: 2%p85
Published: Dec 22, 2021 · Dec 22, 2021
Modified: Jun 17, 2026

Analyze CVE-2021-21894 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

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.

Vendors: lantronix

Products: premierwave 2050 firmware

Weakness: CWE-22

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

NVD CVE.org GitHub PoCs EPSS (2.5%)

In the news

1 story

Vulnerability Spotlight: Vulnerabilities in Lantronix PremierWave 2050 could lead to code execution, file deletion

Cisco TalosNov 15, 19:19 UTC · Nov 15, 2021VulnerabilityExploitedCVE-2021-21872 CVE-2021-21873 CVE-2021-21875+183 · 1 read