CVE-2021-38523: NETGEAR r6400 Firmware

High severity, CVSS 7.2. EPSS: 0.8% chance of exploitation in the next 30 days.

NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user.

Affected products

• NETGEAR r6400 Firmware: before 1.0.1.70 (fixed in 1.0.1.70)

Published 2021-08-11. Last modified 2026-06-17.