CVE-2021-37735

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-12 · updated 2026-06-17
Weakness: CWE-134

Description

A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and below; Aruba Instant 8.5.x.x: 8.5.0.10 and below; Aruba Instant 8.6.x.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

Affected products

Arubanetworks Aruba Instant: from 6.5.4.0 before 6.5.4.18; from 8.5.0.0 before 8.5.0.11; from 8.6.0.0 before 8.6.0.5 — fixed in 6.5.4.18, 8.5.0.11, 8.6.0.5
Siemens Scalance W1750D Firmware: before 8.7.1.3 — fixed in 8.7.1.3

How to fix

Upgrade to a fixed version: Arubanetworks Aruba Instant 6.5.4.18, 8.5.0.11, 8.6.0.5; Siemens Scalance W1750D Firmware 8.7.1.3. Check the vendor advisory for mitigations.

References

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