CVE-2021-20168

MEDIUM
6.8
CVSS Score
Published: December 30, 2021 at 09:31 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
3 products affected across 2 vendorsRAX43 FirmwareRax43Netgear RAX43

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%

Description

Netgear RAX43 version 1.0.3.96 does not have sufficient protections to the UART interface. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection, login with default credentials, and execute commands as the root user. These default credentials are admin:admin.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

netgear-rax43 (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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