CVE-2021-21892
CRITICALLantronix PremierWave 2050 Firmware 8.9.0.0R4 - Authenticated Stack-based Buffer Overflow in Web Manager FsUnmount
Title source: llmDescription
A stack-based buffer overflow vulnerability exists in the Web Manager FsUnmount functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution. 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-2021-1335
Scores
CVSS v3
9.9
EPSS
0.3044
EPSS Percentile
98.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-121
CWE-787
Status
published
Products (1)
lantronix/premierwave_2050_firmware
8.9.0.0 r4
Published
Dec 22, 2021
Tracked Since
Feb 18, 2026