CVE-2026-11733: A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily inte
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Routine
MEDIUM 4.9UPGRADEUPGRADEUPGRADE
CVE-2026-11733 is a medium-severity flaw (CVSS 4.9) affecting rax41 firmware, rax41v2 firmware, rax42 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.
Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
netgear rax41 firmware UPGRADE
Affected: < 1.1.6.36
Fixed in: 1.1.6.36
Safe to downgrade to: no unaffected older release
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 rax41v2 firmware UPGRADE
Affected: < 1.1.6.36
Fixed in: 1.1.6.36
Safe to downgrade to: no unaffected older release
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 rax42 firmware UPGRADE
Affected: < 1.1.6.36
Fixed in: 1.1.6.36
Safe to downgrade to: no unaffected older release
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 rax42v2 firmware UPGRADE
Affected: < 1.1.6.36
Fixed in: 1.1.6.36
Safe to downgrade to: no unaffected older release
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 rax43 firmware UPGRADE
Affected: < 1.1.6.36
Fixed in: 1.1.6.36
Safe to downgrade to: no unaffected older release
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 rax43v2 firmware UPGRADE
Affected: < 1.1.6.36
Fixed in: 1.1.6.36
Safe to downgrade to: no unaffected older release
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 sourceNVD · 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-2026-11733?
rax41 firmware: upgrade to 1.1.6.36; rax41v2 firmware: upgrade to 1.1.6.36; rax42 firmware: upgrade to 1.1.6.36. Exact commands for each OS are on this page.
Is CVE-2026-11733 being exploited?
CVE-2026-11733 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-2026-11733 affect?
CVE-2026-11733 affects rax41 firmware, rax41v2 firmware, rax42 firmware. Severity is medium (CVSS 4.9). A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.
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