CVE-2021-29074

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects RBW30 before 2.6.2.2, RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, RBK753 before 3.2.17.12, RBK753S before 3.2.17.12, RBK754 before 3.2.17.12, RBR750 before 3.2.17.12, and RBS750 before 3.2.17.12.

Related CPE's

onetgearrbw30_firmware********
vulnerable
hnetgearrbw30-*******
onetgearrbk852_firmware********
vulnerable
hnetgearrbk852-*******
onetgearrbk853_firmware********
vulnerable
hnetgearrbk853-*******
onetgearrbk854_firmware********
vulnerable
hnetgearrbk854-*******
onetgearrbr850_firmware********
vulnerable
hnetgearrbr850-*******

References

https://kb.netgear.com/000063011/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-WiFi-Routers-PSV-2020-0467

Vendor Advisory

CvssV3 impact

Version

3.1

VectorString

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

AttackVector

ADJACENT_NETWORK

AttackComplexity

LOW

PrivilegesRequired

HIGH

UserInteraction

NONE

Scope

CHANGED

ConfidentialityImpact

HIGH

IntegrityImpact

HIGH

AvailabilityImpact

HIGH

BaseScore

8.4

BaseSeverity

HIGH

CvssV2 impact

Version

2.0

VectorString

AV:A/AC:L/Au:S/C:P/I:P/A:P

AccessVector

ADJACENT_NETWORK

AccessComplexity

LOW

Authentication

SINGLE

ConfidentialityImpact

PARTIAL

IntegrityImpact

PARTIAL

AvailabilityImpact

PARTIAL

BaseScore

5.2