PT-2020-10711 · NetGear · Netgear Wndr4300V1+10

Aircut · Published 2020-04-16 · Updated 2020-04-23 · CVE-2019-20736

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N

Name of the Vulnerable Software and Affected Versions NETGEAR D6000 versions 1.0.0.0 through 1.0.0.71 NETGEAR D6100 versions 1.0.0.0 through 1.0.0.62 NETGEAR R7800 versions 1.0.0.0 through 1.0.2.51 NETGEAR R8900 versions 1.0.0.0 through 1.0.4.1 NETGEAR R9000 versions 1.0.0.0 through 1.0.4.1 NETGEAR WNDR3700v4 versions 1.0.0.0 through 1.0.2.101 NETGEAR WNDR4300v1 versions 1.0.0.0 through 1.0.2.103 NETGEAR WNDR4300v2 versions 1.0.0.0 through 1.0.0.57 NETGEAR WNDR4500v3 versions 1.0.0.0 through 1.0.0.57 NETGEAR WNR2000v5 versions 1.0.0.0 through 1.0.0.67 NETGEAR XR500 versions 1.0.0.0 through 2.3.2.31

Description The issue is a stack-based buffer overflow that can be exploited by an authenticated user. This affects various NETGEAR devices.

Recommendations For NETGEAR D6000 version 1.0.0.71 and earlier, update to version 1.0.0.72 or later. For NETGEAR D6100 version 1.0.0.62 and earlier, update to version 1.0.0.63 or later. For NETGEAR R7800 version 1.0.2.51 and earlier, update to version 1.0.2.52 or later. For NETGEAR R8900 version 1.0.4.1 and earlier, update to version 1.0.4.2 or later. For NETGEAR R9000 version 1.0.4.1 and earlier, update to version 1.0.4.2 or later. For NETGEAR WNDR3700v4 version 1.0.2.101 and earlier, update to version 1.0.2.102 or later. For NETGEAR WNDR4300v1 version 1.0.2.103 and earlier, update to version 1.0.2.104 or later. For NETGEAR WNDR4300v2 version 1.0.0.57 and earlier, update to version 1.0.0.58 or later. For NETGEAR WNDR4500v3 version 1.0.0.57 and earlier, update to version 1.0.0.58 or later. For NETGEAR WNR2000v5 version 1.0.0.67 and earlier, update to version 1.0.0.68 or later. For NETGEAR XR500 version 2.3.2.31 and earlier, update to version 2.3.2.32 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-20736

Affected Products

Netgear D6000

Netgear R6100

Netgear R7800

Netgear R8900

Netgear R9000

Netgear Wndr3700V4

Netgear Wndr4300V1

Netgear Wndr4300V2

Netgear Wndr4500V3

Netgear Wnr2000V5

Netgear Xr500

References · 4

• https://kb.netgear.com/000061190/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0133 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20736 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20736 · Security Note
• https://t.me/cvenotify/2864 · Telegram Post