CVE-2019-20748: NETGEAR d7800 Firmware

Medium severity, CVSS 6.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.44, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBS40 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, and RBS50 before 2.3.0.32.

Affected products

• NETGEAR d7800 Firmware: before 1.0.1.44 (fixed in 1.0.1.44)
• NETGEAR r7500 Firmware: before 1.0.3.38 (fixed in 1.0.3.38)
• NETGEAR r7800 Firmware: before 1.0.2.52 (fixed in 1.0.2.52)
• NETGEAR RBK20 Firmware: before 2.3.0.28 (fixed in 2.3.0.28)
• NETGEAR RBK40 Firmware: before 2.3.0.28 (fixed in 2.3.0.28)
• NETGEAR RBK50 Firmware: before 2.3.0.32 (fixed in 2.3.0.32)
• NETGEAR RBR20 Firmware: before 2.3.0.28 (fixed in 2.3.0.28)
• NETGEAR RBR50 Firmware: before 2.3.0.32 (fixed in 2.3.0.32)
• NETGEAR RBS20 Firmware: before 2.3.0.28 (fixed in 2.3.0.28)
• NETGEAR RBS40 Firmware: before 2.3.0.28 (fixed in 2.3.0.28)
• NETGEAR RBS50 Firmware: before 2.3.0.32 (fixed in 2.3.0.32)

Published 2020-04-16. Last modified 2026-06-17.