CVE-2023-33533: Netgear D6220 with Firmware Version 1.0.0.80, D8500 with Firmware Version 1.0.3.60, R6700 with Firmware Versio

This month

HIGH 8.8MITIGATEMITIGATEMITIGATE

CVE-2023-33533 is a high-severity flaw (CVSS 8.8) affecting d6220 firmware, d8500 firmware, r6700 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Netgear D6220 with Firmware Version 1.0.0.80, D8500 with Firmware Version 1.0.3.60, R6700 with Firmware Version 1.0.2.26, and R6900 with Firmware Version 1.0.2.26 are vulnerable to Command Injection. If an attacker gains web management privileges, they can inject commands into the post request parameters, gaining shell privileges.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-77
Published	2023-06-06
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

2023-06-06 14:15 UTCPublished CVE record published
2026-06-17 06:01 UTCUpdated Record last modified

netgear d6220 firmware MITIGATE

Affected: 1.0.0.80

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0.80

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 d8500 firmware MITIGATE

Affected: 1.0.3.60

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.3.60

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 r6700 firmware MITIGATE

Affected: 1.0.2.26

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.2.26

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 r6900 firmware MITIGATE

Affected: 1.0.2.26

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.2.26

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-2023-33533?

d6220 firmware: mitigate or apply the listed mitigation; d8500 firmware: mitigate or apply the listed mitigation; r6700 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-33533 being exploited?

CVE-2023-33533 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-2023-33533 affect?

CVE-2023-33533 affects d6220 firmware, d8500 firmware, r6700 firmware. Severity is high (CVSS 8.8). Netgear D6220 with Firmware Version 1.0.0.80, D8500 with Firmware Version 1.0.3.60, R6700 with Firmware Version 1.0.2.26, and R6900 with Firmware Version 1.0.2.26 are vulnerable to Command Injection. If an attacker gains web management priv

How urgent is CVE-2023-33533?

Priority 58/100. High severity; Public exploit reference

Software pages

Netgear vulnerabilities

Related CVEs

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CVE-2021-45640 LOW 3.9 UPGRADE UPGRADE Certain NETGEAR devices are affected by incorrect configuration of security settings
CVE-2021-45638 CRITICAL 9.6 UPGRADE UPGRADE Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker
CVE-2021-45610 CRITICAL 9.6 UPGRADE UPGRADE Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker
CVE-2021-45604 MEDIUM 4.5 UPGRADE UPGRADE Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user

References

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