A remote buffer overflow vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 8.7.x.x: 8.7.0.0 through 8.7.1.2.

published 2021-10-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24207

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

A remote buffer overflow vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 8.7.x.x: 8.7.0.0 through 8.7.1.2. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

Patch / fix

fixed in 2

arubanetworks aruba_instant 8.7.1.3
siemens scalance_w1750d_firmware 8.7.1.3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-315-06 updated 2022-10-11 cvss 9.8

Siemens SCALANCE W1750D

Siemens SCALANCE W1750D <V8.7.1.3
affected: fixed in V8.7.1.3, workaround support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

2.41% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a HPE Aruba Instant (IAP)

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

arubanetworks.com /assets/alert/ARUBA-PSA-2021-017.txt
vendor-advisory
cert-portal.siemens.com /productcert/pdf/ssa-917476.pdf
third-party-advisory

Sources

CVE List CVE-2021-37726
NVD CVE-2021-37726

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary