CVE-2021-21886: Lantronix Premierwave 2050 Firmware

Medium severity, CVSS 4.3. EPSS: 1.9% chance of exploitation in the next 30 days.

A directory traversal vulnerability exists in the Web Manager FSBrowsePage functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially crafted HTTP request can lead to information disclosure. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Affected products

• Lantronix Premierwave 2050 Firmware: version 8.9.0.0 only

Published 2021-12-22. Last modified 2026-06-17.