Stack-based Buffer Overflow in Lantronix PremierWave 2050 Web Manager Functionality
CVE-2021-21892

9.9CRITICAL

Key Information:

Vendor

Lantronix

Status
Lantronix
Vendor
CVE Published:
22 December 2021

What is CVE-2021-21892?

A stack-based buffer overflow vulnerability is present in the Web Manager FsUnmount feature of the Lantronix PremierWave 2050 version 8.9.0.0R4. This vulnerability can be exploited by sending a specially crafted HTTP request, potentially allowing an attacker with authentication to execute arbitrary code remotely.

Affected Version(s)

Lantronix Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)

References

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

EPSS Score

7% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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