CVE-2021-21891

State: Published
Severity: 9.1 Critical
Published: Dec 22, 2021
Updated: Aug 3, 2024
Reserved: Jan 4, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.0	9.1 Critical	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	talos

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
Lantronixn/a	Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)Affected

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334

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