CVE-2019-20735

Severity Score

6.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before V1.0.0.75, D6100 before V1.0.0.63, R7800 before v1.0.2.52, R8900 before v1.0.4.2, R9000 before v1.0.4.2, RBK50 before v2.3.0.32, RBR50 before v2.3.0.32, RBS50 before v2.3.0.32, WNDR3700v4 before V1.0.2.102, WNDR4300v1 before V1.0.2.104, WNDR4300v2 before v1.0.0.58, WNDR4500v3 before v1.0.0.58, WNR2000v5 before v1.0.0.68, and XR500 before V2.3.2.32.

Determinados dispositivos NETGEAR están afectados por un desbordamiento del búfer en la región stack de la memoria por parte de un usuario autenticado. Esto afecta a D3600 versiones anteriores a 1.0.0.75, D6000 antes de V1.0.0.75, D6100 antes de V1.0.0.63, R7800 antes de v1.0.2.52, R8900 antes de v1.0.4.2, R9000 antes de v1.0.4.2, RBK50 antes de v2.3.0.32, RBR50 antes de v2.3.0. 32, RBS50 antes de la v2.3.0.32, WNDR3700v4 versiones anteriores a v1.0.2.102, WNDR4300v1 versiones anteriores a v1.0.2.104, WNDR4300v2 versiones anteriores a v1.0.0.58, WNDR4500v3 versiones anteriores a v1.0.0.58, WNR2000v5 versiones anteriores a v1.0.0.68, y XR500 antes de la v2.3.2.32.

*Credits: N/A

CVSS Scores

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-04-15 CVE Reserved
2020-04-16 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://kb.netgear.com/000061191/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0138	2020-04-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netgear Search vendor "Netgear"	D3600 Firmware Search vendor "Netgear" for product "D3600 Firmware"	< 1.0.0.75 Search vendor "Netgear" for product "D3600 Firmware" and version " < 1.0.0.75"	-	Affected	in	Netgear Search vendor "Netgear"	D3600 Search vendor "Netgear" for product "D3600"	-	-	Safe
Netgear Search vendor "Netgear"	D6000 Firmware Search vendor "Netgear" for product "D6000 Firmware"	< 1.0.0.75 Search vendor "Netgear" for product "D6000 Firmware" and version " < 1.0.0.75"	-	Affected	in	Netgear Search vendor "Netgear"	D6000 Search vendor "Netgear" for product "D6000"	-	-	Safe
Netgear Search vendor "Netgear"	D6100 Firmware Search vendor "Netgear" for product "D6100 Firmware"	< 1.0.0.63 Search vendor "Netgear" for product "D6100 Firmware" and version " < 1.0.0.63"	-	Affected	in	Netgear Search vendor "Netgear"	D6100 Search vendor "Netgear" for product "D6100"	-	-	Safe
Netgear Search vendor "Netgear"	R7800 Firmware Search vendor "Netgear" for product "R7800 Firmware"	< 1.0.2.52 Search vendor "Netgear" for product "R7800 Firmware" and version " < 1.0.2.52"	-	Affected	in	Netgear Search vendor "Netgear"	R7800 Search vendor "Netgear" for product "R7800"	-	-	Safe
Netgear Search vendor "Netgear"	R8900 Firmware Search vendor "Netgear" for product "R8900 Firmware"	< 1.0.4.2 Search vendor "Netgear" for product "R8900 Firmware" and version " < 1.0.4.2"	-	Affected	in	Netgear Search vendor "Netgear"	R8900 Search vendor "Netgear" for product "R8900"	-	-	Safe
Netgear Search vendor "Netgear"	R9000 Firmware Search vendor "Netgear" for product "R9000 Firmware"	< 1.0.4.2 Search vendor "Netgear" for product "R9000 Firmware" and version " < 1.0.4.2"	-	Affected	in	Netgear Search vendor "Netgear"	R9000 Search vendor "Netgear" for product "R9000"	-	-	Safe
Netgear Search vendor "Netgear"	Rbk50 Firmware Search vendor "Netgear" for product "Rbk50 Firmware"	< 2.3.0.32 Search vendor "Netgear" for product "Rbk50 Firmware" and version " < 2.3.0.32"	-	Affected	in	Netgear Search vendor "Netgear"	Rbk50 Search vendor "Netgear" for product "Rbk50"	-	-	Safe
Netgear Search vendor "Netgear"	Rbr50 Firmware Search vendor "Netgear" for product "Rbr50 Firmware"	< 2.3.0.32 Search vendor "Netgear" for product "Rbr50 Firmware" and version " < 2.3.0.32"	-	Affected	in	Netgear Search vendor "Netgear"	Rbr50 Search vendor "Netgear" for product "Rbr50"	-	-	Safe
Netgear Search vendor "Netgear"	Rbs50 Firmware Search vendor "Netgear" for product "Rbs50 Firmware"	< 2.3.0.32 Search vendor "Netgear" for product "Rbs50 Firmware" and version " < 2.3.0.32"	-	Affected	in	Netgear Search vendor "Netgear"	Rbs50 Search vendor "Netgear" for product "Rbs50"	-	-	Safe
Netgear Search vendor "Netgear"	Wndr3700 Firmware Search vendor "Netgear" for product "Wndr3700 Firmware"	< 1.0.2.102 Search vendor "Netgear" for product "Wndr3700 Firmware" and version " < 1.0.2.102"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr3700 Search vendor "Netgear" for product "Wndr3700"	v4 Search vendor "Netgear" for product "Wndr3700" and version "v4"	-	Safe
Netgear Search vendor "Netgear"	Wndr4300 Firmware Search vendor "Netgear" for product "Wndr4300 Firmware"	< 1.0.2.104 Search vendor "Netgear" for product "Wndr4300 Firmware" and version " < 1.0.2.104"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr4300 Search vendor "Netgear" for product "Wndr4300"	v1 Search vendor "Netgear" for product "Wndr4300" and version "v1"	-	Safe
Netgear Search vendor "Netgear"	Wndr4300 Firmware Search vendor "Netgear" for product "Wndr4300 Firmware"	< 1.0.0.58 Search vendor "Netgear" for product "Wndr4300 Firmware" and version " < 1.0.0.58"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr4300 Search vendor "Netgear" for product "Wndr4300"	v2 Search vendor "Netgear" for product "Wndr4300" and version "v2"	-	Safe
Netgear Search vendor "Netgear"	Wndr4500 Firmware Search vendor "Netgear" for product "Wndr4500 Firmware"	< 1.0.0.58 Search vendor "Netgear" for product "Wndr4500 Firmware" and version " < 1.0.0.58"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr4500 Search vendor "Netgear" for product "Wndr4500"	v3 Search vendor "Netgear" for product "Wndr4500" and version "v3"	-	Safe
Netgear Search vendor "Netgear"	Wnr2000 Firmware Search vendor "Netgear" for product "Wnr2000 Firmware"	< 1.0.0.68 Search vendor "Netgear" for product "Wnr2000 Firmware" and version " < 1.0.0.68"	-	Affected	in	Netgear Search vendor "Netgear"	Wnr2000 Search vendor "Netgear" for product "Wnr2000"	v5 Search vendor "Netgear" for product "Wnr2000" and version "v5"	-	Safe
Netgear Search vendor "Netgear"	Xr500 Firmware Search vendor "Netgear" for product "Xr500 Firmware"	< 2.3.2.32 Search vendor "Netgear" for product "Xr500 Firmware" and version " < 2.3.2.32"	-	Affected	in	Netgear Search vendor "Netgear"	Xr500 Search vendor "Netgear" for product "Xr500"	-	-	Safe