CVE-2019-20665: NETGEAR RBK20 Firmware

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by stored XSS. This affects RBR20 before 2.3.5.26, RBS20 before 2.3.5.26, RBK20 before 2.3.5.26, RBR40 before 2.3.5.30, RBS40 before 2.3.5.30, RBK40 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, and RBK50 before 2.3.5.30.

Affected products

• NETGEAR RBK20 Firmware: before 2.3.5.26 (fixed in 2.3.5.26)
• NETGEAR RBK40 Firmware: before 2.3.5.30 (fixed in 2.3.5.30)
• NETGEAR RBK50 Firmware: before 2.3.5.30 (fixed in 2.3.5.30)
• NETGEAR RBR20 Firmware: before 2.3.5.26 (fixed in 2.3.5.26)
• NETGEAR RBR40 Firmware: before 2.3.5.30 (fixed in 2.3.5.30)
• NETGEAR RBR50 Firmware: before 2.3.5.30 (fixed in 2.3.5.30)
• NETGEAR RBS20 Firmware: before 2.3.5.26 (fixed in 2.3.5.26)
• NETGEAR RBS40 Firmware: before 2.3.5.30 (fixed in 2.3.5.30)
• NETGEAR RBS50 Firmware: before 2.3.5.30 (fixed in 2.3.5.30)

Published 2020-04-15. Last modified 2026-06-17.