CVE-2018-21131: NETGEAR WAC505 Firmware

Critical severity, CVSS 9.1. EPSS: 1.3% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.

Affected products

• NETGEAR WAC505 Firmware: before 5.0.0.17 (fixed in 5.0.0.17)
• NETGEAR WAC510 Firmware: before 5.0.0.17 (fixed in 5.0.0.17)

Published 2020-04-23. Last modified 2026-06-17.