What is CVE-2021-20173?

CVE-2021-20173 is a high-severity vulnerability in Netgear R6700, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-12-30.

How severe is CVE-2021-20173?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-20173 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Netgear R6700

CVE-2021-20173

Netgear Nighthawk R6700 version 1.0.4.120 contains a command injection vulnerability in update functionality of the device. By triggering a system update check via the SOAP interface, the device is susceptible to command injection via prec…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.032 (86.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netgear R6700
Netgear R6700_firmware — versions 1.0.4.120
N/a Netgear Nighthawk R6700 — versions 1.0.4.120

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20173?: CVE-2021-20173 is a high-severity vulnerability in Netgear R6700, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-12-30.
How severe is CVE-2021-20173?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-20173 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.