CVE-2019-20740: NETGEAR DGN2200 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 DGN2200v4 before 1.0.0.110, DGND2200Bv4 before 1.0.0.109, R7300 before 1.0.0.70, R8300 before 1.0.2.130, and R8500 before 1.0.2.130.

Affected products

• NETGEAR DGN2200 Firmware: before 1.0.0.110 (fixed in 1.0.0.110)
• NETGEAR DGND2200B Firmware: before 1.0.0.109 (fixed in 1.0.0.109)
• NETGEAR r7300 Firmware: before 1.0.0.70 (fixed in 1.0.0.70)
• NETGEAR r8300 Firmware: before 1.0.2.130 (fixed in 1.0.2.130)
• NETGEAR r8500 Firmware: before 1.0.2.130 (fixed in 1.0.2.130)

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