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CVE-2021-21890 Details

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 (deletedir). An attacker can make an authenticated HTTP request to trigger this vulnerability.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334 CVEExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334 [email protected]ExploitTechnical DescriptionThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]
CWE-121Stack-based Buffer Overflow[email protected]

Affected Products

ProductVersions
lantronix premierwave 2050 firmware
8.9.0.0 r4

CPE

  • cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*

Remediation

  • No remediation found in references.
lantronix premierwave 2050
All versions

CPE

  • cpe:2.3:h:lantronix:premierwave_2050:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-21890
NVD Published Date:
Dec 22, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]