CVE-2021-23147

MEDIUM

Netgear Nighthawk R6700 <1.0.4.120 - Privilege Escalation

Title source: llm
STIX 2.1

Description

Netgear Nighthawk R6700 version 1.0.4.120 does not have sufficient protections for the UART console. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection and execute commands as the root user without authentication.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://www.tenable.com/security/research/tra-2021-57

Scores

CVSS v3 6.8
EPSS 0.0006
EPSS Percentile 18.7%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (1)
netgear/r6700_firmware 1.0.4.120
Published Dec 30, 2021
Tracked Since Feb 18, 2026