CVE-2021-23147 — MEDIUM (6.8)

Vulnerability 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.

CVSS Score

6.8

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Netgear	R6700 Firmware	1.0.4.120
Netgear	R6700	-

Related Weaknesses (CWE)

CWE-287

References

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

FAQ

What is CVE-2021-23147?

CVE-2021-23147 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 seri...

How severe is CVE-2021-23147?

CVE-2021-23147 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-23147?

Check the references section above for vendor advisories and patch information. Affected products include: Netgear R6700 Firmware, Netgear R6700.