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 injecti

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HIGH 8.0MITIGATEMITIGATEMITIGATE

CVE-2024-51021 is a high-severity flaw (CVSS 8.0) affecting xr300 firmware, r7000p firmware, r6400v2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.0 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-78
Published	2024-11-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netgear

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-05 15:15 UTCPublished CVE record published
2026-06-17 08:05 UTCUpdated Record last modified

netgear xr300 firmware MITIGATE

Affected: 1.0.3.78

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.3.78

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

netgear r7000p firmware MITIGATE

Affected: 1.3.3.154

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.3.154

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

netgear r6400v2 firmware MITIGATE

Affected: 1.0.4.128

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.4.128

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-51021?

xr300 firmware: mitigate or apply the listed mitigation; r7000p firmware: mitigate or apply the listed mitigation; r6400v2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-51021 being exploited?

CVE-2024-51021 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-51021 affect?

CVE-2024-51021 affects xr300 firmware, r7000p firmware, r6400v2 firmware. Severity is high (CVSS 8.0). 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 comm

How urgent is CVE-2024-51021?

Priority 43/100. High severity

Software pages

Netgear vulnerabilities

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References

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