What is CVE-2024-51021?

CVE-2024-51021 is a high-severity vulnerability in NETGEAR R6400v2, classified under OS Command Injection. CVSS score: 8.0/10. Published 2024-11-05.

How severe is CVE-2024-51021?

High severity. CVSS v3 base score is 8.0 out of 10.

RCE in NETGEAR R6400v2

CVE-2024-51021

Netgear XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 was discovered to contain a command injection vulnerability via the wan_gateway parameter at genie_fix2.cgi. This vulnerability allows attackers to execute arbitrary OS commands via a crafted request.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-11-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

NETGEAR R6400v2
NETGEAR R6400v2 Firmware — versions 1.0.4.128
NETGEAR R7000p
NETGEAR R7000p Firmware — versions 1.3.3.154
NETGEAR Xr300
NETGEAR Xr300 Firmware — versions 1.0.3.78

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.netgear.com/about/security/ (Vendor Advisory)
github.com/wudipjq/my_vuln/blob/main/Netgear5/vuln_57/57.md (Broken Link)

Frequently asked questions

What is CVE-2024-51021?: CVE-2024-51021 is a high-severity vulnerability in NETGEAR R6400v2, classified under OS Command Injection. CVSS score: 8.0/10. Published 2024-11-05.
How severe is CVE-2024-51021?: High severity. CVSS v3 base score is 8.0 out of 10.