Stack-based Buffer Overflow in Lantronix PremierWave 2050 Web Manager
CVE-2021-21890

9.1CRITICAL

Key Information:

Vendor

Lantronix

Status
Lantronix
Vendor
CVE Published:
22 December 2021

What is CVE-2021-21890?

A vulnerability exists in the Web Manager FsBrowseClean functionality of the Lantronix PremierWave 2050, which can lead to remote code execution. This flaw is caused by a stack-based buffer overflow triggered by specially crafted HTTP requests. An attacker with authenticated access can exploit this vulnerability in the deletedir branch, potentially compromising the system. Proper validation and handling of input data are essential to mitigate such risks.

Affected Version(s)

Lantronix Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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