CVE-2020-10926

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of firmware updates. The issue results from the lack of proper validation of the firmware image prior to performing an upgrade. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-9648.

Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar código arbitrario en las instalaciones afectadas de los enrutadores NETGEAR R6700 versión V1.0.4.84_10.0.58. No es requerida una autenticación para explotar esta vulnerabilidad. El fallo específico se presenta en el manejo de las actualizaciones de firmware. El problema resulta de una falta de comprobación apropiada de la imagen del firmware antes de llevar a cabo una actualización. Un atacante puede aprovechar esto junto con otras vulnerabilidades para ejecutar código en el contexto de root. Fue ZDI-CAN-9648

*Credits: Pedro Ribeiro and Radek Domanski of Team Flashback

CVSS Scores

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-24 CVE Reserved
2020-07-28 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-494: Download of Code Without Integrity Check

CAPEC

References (1)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-20-706	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netgear Search vendor "Netgear"	R6700 Firmware Search vendor "Netgear" for product "R6700 Firmware"	1.0.4.84_10.0.58 Search vendor "Netgear" for product "R6700 Firmware" and version "1.0.4.84_10.0.58"	-	Affected	in	Netgear Search vendor "Netgear"	R6700 Search vendor "Netgear" for product "R6700"	-	-	Safe