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Vulnerability record · CVE-2021-37716 · published 7 September 2021

CVE-2021-37716: Arubanetworks sd-wan classic buffer overflow vulnerability

Arubanetworks · Sd Wan

A remote buffer overflow vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.4; Prior to 8.7.1.2, 8.6.0.8, 8.5.0.12, 8.3.0.15. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

9.8 CVSS 3.1 Critical EPSS 2.4% · top 16.6% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 10.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A remote buffer overflow vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.4; Prior to 8.7.1.2, 8.6.0.8, 8.5.0.12, 8.3.0.15. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

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

Affected products

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

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-280624.pdf PatchVendor Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-016.txt Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-280624.pdf PatchVendor Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-016.txt Vendor 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-2021-37716), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.