PT-2020-8794 · NetGear · R7500+12

Aircut · Published 2020-04-22 · Updated 2020-04-24 · CVE-2018-21150

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 D7800 versions 1.0.1.34 and earlier NETGEAR DM200 versions 1.0.0.50 and earlier NETGEAR R6100 versions 1.0.1.22 and earlier NETGEAR R7500 versions 1.0.0.122 and earlier NETGEAR R7500v2 versions 1.0.3.26 and earlier NETGEAR R7800 versions 1.0.2.42 and earlier NETGEAR R8900 versions 1.0.3.10 and earlier NETGEAR R9000 versions 1.0.3.10 and earlier NETGEAR WNDR3700v4 versions 1.0.2.96 and earlier NETGEAR WNDR4300 versions 1.0.2.98 and earlier NETGEAR WNDR4300v2 versions 1.0.0.54 and earlier NETGEAR WNDR4500v3 versions 1.0.0.54 and earlier NETGEAR WNR2000v5 versions 1.0.0.64 and earlier

Description A stack-based buffer overflow issue affects certain NETGEAR devices, allowing an authenticated user to potentially exploit this issue.

Recommendations For D7800 version 1.0.1.34 and earlier, update to version 1.0.1.34 or later. For DM200 version 1.0.0.50 and earlier, update to version 1.0.0.50 or later. For R6100 version 1.0.1.22 and earlier, update to version 1.0.1.22 or later. For R7500 version 1.0.0.122 and earlier, update to version 1.0.0.122 or later. For R7500v2 version 1.0.3.26 and earlier, update to version 1.0.3.26 or later. For R7800 version 1.0.2.42 and earlier, update to version 1.0.2.42 or later. For R8900 version 1.0.3.10 and earlier, update to version 1.0.3.10 or later. For R9000 version 1.0.3.10 and earlier, update to version 1.0.3.10 or later. For WNDR3700v4 version 1.0.2.96 and earlier, update to version 1.0.2.96 or later. For WNDR4300 version 1.0.2.98 and earlier, update to version 1.0.2.98 or later. For WNDR4300v2 version 1.0.0.54 and earlier, update to version 1.0.0.54 or later. For WNDR4500v3 version 1.0.0.54 and earlier, update to version 1.0.0.54 or later. For WNR2000v5 version 1.0.0.64 and earlier, update to version 1.0.0.64 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2018-21150

Affected Products

D7800

Dm200

R6100

R7500

R7500V2

R7800

R8900

R9000

Wndr3700V4

Wndr4300

Wndr4300V2

Wndr4500V3

Wnr2000V5

References · 3

• https://kb.netgear.com/000059483/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Gateways-and-Routers-PSV-2017-3155 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21150 · Security Note
• https://osv.dev/vulnerability/CVE-2018-21150 · Vendor Advisory