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Vulnerability record · CVE-2021-36321 · published 20 November 2021

CVE-2021-36321: Dell x1008p firmware improper input validation vulnerability

Dell · X1008p Firmware

Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.

7.5 CVSS 3.1 High EPSS 1.3% · top 31.0% CWE-20 · Improper input validation
7.5CVSS 3.1 base score, v2 5.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.

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

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-se PatchVendor Advisory
https://www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-se PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-36321), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.