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CVE-2021-45507

CRITICALCVSS 9.8/10EPSS 1.42%

Last modified

CVE-2021-45507 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBW30 before 2.6.2.2, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS40V before 2.6.2.8.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBW30 before 2.6.2.2, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS40V before 2.6.2.8.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.42%

69.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
NetgearCbr40 Firmware< 2.5.0.24
NetgearCbr750 Firmware< 4.6.3.6
NetgearRbw30 Firmware< 2.6.2.2
NetgearRbk752 Firmware< 3.2.17.12
NetgearRbr750 Firmware< 3.2.17.12
NetgearRbs750 Firmware< 3.2.17.12
NetgearRbk852 Firmware< 3.2.17.12
NetgearRbr850 Firmware< 3.2.17.12
NetgearRbs850 Firmware< 3.2.17.12
NetgearRbs40v Firmware< 2.6.2.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45507?
Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBW30 before 2.6.2.2, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS40V before 2.6.2.8.
How severe is CVE-2021-45507?
CVE-2021-45507 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45507?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45507?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST