CVE-2021-31883

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). When processing a DHCP ACK message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0013)

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-119

Affected software

No affected versions have been published.

Timeline

Published
Nov 9, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-31883: High severity, CVSS 7.5 | Vulnix