CVE-2021-21894

CRITICAL

Lantronix PremierWave 2050 8.9.0.0R4 Path Traversal & Arbitrary File Write via Web Manager

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337

Scores

CVSS v3 9.1
EPSS 0.0240
EPSS Percentile 81.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-22
Status published
Products (1)
lantronix/premierwave_2050_firmware 8.9.0.0 r4
Published Dec 22, 2021
Tracked Since Feb 18, 2026