CVE-2019-5319: Arubanetworks Instant

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

A remote buffer overflow vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.16 and below; Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.6 and below; Aruba Instant 8.6.x: 8.6.0.2 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Affected products

• Arubanetworks Instant: from 6.4.0.0, up to and including 6.4.4.8-4.2.4.17; from 6.5.0.0, before 6.5.4.17 (fixed in 6.5.4.17); from 8.3.0.0, before 8.3.0.13 (fixed in 8.3.0.13); from 8.5.0.0, before 8.5.0.7 (fixed in 8.5.0.7); from 8.6.0.0, before 8.6.0.3 (fixed in 8.6.0.3)
• Siemens Scalance w1750d Firmware: before 8.7.0 (fixed in 8.7.0)

Published 2021-03-30. Last modified 2026-06-17.