CVE-2026-0405: An authentication bypass vulnerability in NETGEAR Orbi devices allows
users connected to the local network to
35
Routine
HIGH 7.8UPGRADEUPGRADEUPGRADE
CVE-2026-0405 is a high-severity flaw (CVSS 7.8) affecting cbr750 firmware, nbr750 firmware, rbe370 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An authentication bypass vulnerability in NETGEAR Orbi devices allows
users connected to the local network to access the router web interface
as an admin.
Last updated 2026-06-17 · 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 cbr750 firmware UPGRADE
Affected: < 4.6.14.8
Fixed in: 4.6.14.8
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 nbr750 firmware UPGRADE
Affected: < 4.6.15.14
Fixed in: 4.6.15.14
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 rbe370 firmware UPGRADE
Affected: < 12.1.3.11
Fixed in: 12.1.3.11
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 rbe371 firmware UPGRADE
Affected: < 12.1.3.11
Fixed in: 12.1.3.11
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 rbe372 firmware UPGRADE
Affected: < 12.1.3.11
Fixed in: 12.1.3.11
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 rbe373 firmware UPGRADE
Affected: < 12.1.3.11
Fixed in: 12.1.3.11
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-2026-0405?
cbr750 firmware: upgrade to 4.6.14.8; nbr750 firmware: upgrade to 4.6.15.14; rbe370 firmware: upgrade to 12.1.3.11. Exact commands for each OS are on this page.
Is CVE-2026-0405 being exploited?
CVE-2026-0405 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-2026-0405 affect?
CVE-2026-0405 affects cbr750 firmware, nbr750 firmware, rbe370 firmware. Severity is high (CVSS 7.8). An authentication bypass vulnerability in NETGEAR Orbi devices allows
users connected to the local network to access the router web interface
as an admin.
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