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 preconfigured values.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.032 (87.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-20173: held from 0.032 to 0.032.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.