CVE-2021-21879

HIGH

Lantronix PremierWave 2050 8.9.0.0R4 - Authenticated Path Traversal and Arbitrary File Write via Web Manager File Upload

Title source: llm
STIX 2.1

Description

A directory traversal vulnerability exists in the Web Manager File Upload functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary file overwrite. 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-2021-1323

Scores

CVSS v3 8.8
EPSS 0.0366
EPSS Percentile 88.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-22
Status published
Products (1)
lantronix/premierwave_2050 8.9.0.0 r4
Published Dec 22, 2021
Tracked Since Feb 18, 2026