CVE-2021-38526

Severity Score

7.5

*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 buffer overflow by an unauthenticated attacker. This affects RAX35 before 1.0.3.94, RAX38 before 1.0.3.94, and RAX40 before 1.0.3.94.

Determinados dispositivos NETGEAR están afectados por un desbordamiento del búfer por un atacante no autenticado. Esto afecta a RAX35 versiones anteriores a 1.0.3.94, RAX38 versiones anteriores a 1.0.3.94 y RAX40 versiones anteriores a 1.0.3.94

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-10 CVE Reserved
2021-08-11 CVE Published
2024-04-26 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://kb.netgear.com/000063782/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0416	2021-08-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netgear Search vendor "Netgear"	Rax35 Firmware Search vendor "Netgear" for product "Rax35 Firmware"	< 1.0.3.94 Search vendor "Netgear" for product "Rax35 Firmware" and version " < 1.0.3.94"	-	Affected	in	Netgear Search vendor "Netgear"	Rax35 Search vendor "Netgear" for product "Rax35"	-	-	Safe
Netgear Search vendor "Netgear"	Rax38 Firmware Search vendor "Netgear" for product "Rax38 Firmware"	< 1.0.3.94 Search vendor "Netgear" for product "Rax38 Firmware" and version " < 1.0.3.94"	-	Affected	in	Netgear Search vendor "Netgear"	Rax38 Search vendor "Netgear" for product "Rax38"	-	-	Safe
Netgear Search vendor "Netgear"	Rax40 Firmware Search vendor "Netgear" for product "Rax40 Firmware"	< 1.0.3.94 Search vendor "Netgear" for product "Rax40 Firmware" and version " < 1.0.3.94"	-	Affected	in	Netgear Search vendor "Netgear"	Rax40 Search vendor "Netgear" for product "Rax40"	-	-	Safe