Vulnerabilities > CVE-2021-21891 - Out-of-bounds Write vulnerability in Lantronix Premierwave 2050 Firmware 8.9.0.0

047910
CVSS 9.1 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
HIGH
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
lantronix
CWE-787
critical

Summary

A stack-based buffer overflow vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution in the vulnerable portion of the branch (deletefile). An attacker can make an authenticated HTTP request to trigger this vulnerability.

Vulnerable Configurations

Part Description Count
OS
Lantronix
1
Hardware
Lantronix
1

Common Weakness Enumeration (CWE)