CVE-2018-21123: NETGEAR WC7500 Firmware

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects WC7500 before 6.5.3.9, WC7520 before 6.5.3.9, WC7600v1 before 6.5.3.9, and WC7600v2 before 6.5.3.9.

Affected products

• NETGEAR WC7500 Firmware: before 6.5.3.9 (fixed in 6.5.3.9)
• NETGEAR WC7520 Firmware: before 6.5.3.9 (fixed in 6.5.3.9)
• NETGEAR WC7600 Firmware: before 6.5.3.9 (fixed in 6.5.3.9)

Published 2020-04-22. Last modified 2026-06-17.