CVE-2021-25143: Arubanetworks Instant

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A remote denial of service (dos) vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.9 and below; Aruba Instant 8.6.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Affected products

• Arubanetworks Instant: from 8.3.0.0, before 8.3.0.13 (fixed in 8.3.0.13); from 8.5.0.0, before 8.5.0.10 (fixed in 8.5.0.10); from 8.6.0.0, before 8.6.0.5 (fixed in 8.6.0.5)
• Siemens Scalance w1750d Firmware: before 8.7.0 (fixed in 8.7.0)

Published 2021-03-29. Last modified 2026-06-17.