Stack-Based Buffer Overflow in Lantronix PremierWave 2050
CVE-2021-21891

9.1CRITICAL

Key Information:

Vendor

Lantronix

Status
Lantronix
Vendor
CVE Published:
22 December 2021

What is CVE-2021-21891?

A stack-based buffer overflow vulnerability in the Web Manager's FsBrowseClean function of Lantronix PremierWave 2050 enables an attacker to exploit this flaw through a specially crafted HTTP request. Successfully executing this attack can lead to remote code execution within the compromised system. An attacker must be authenticated to initiate the request that triggers this vulnerability, impacting systems running version 8.9.0.0R4 (in QEMU).

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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