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CVE-2021-45547

HIGHCVSS 8.8/10EPSS 1.48%

Last modified

CVE-2021-45547 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7850 before 1.0.5.74, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, and RBS850 before 3.2.17.12.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7850 before 1.0.5.74, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, and RBS850 before 3.2.17.12.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
1.48%

70.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearR7850 Firmware< 1.0.5.74
NetgearR7900p Firmware< 1.4.2.84
NetgearR7960p Firmware< 1.4.2.84
NetgearR8000 Firmware< 1.0.4.74
NetgearR8000p Firmware< 1.4.2.84
NetgearRax200 Firmware< 1.0.4.120
NetgearRax75 Firmware< 1.0.4.120
NetgearRax80 Firmware< 1.0.4.120
NetgearRbk852 Firmware< 3.2.17.12
NetgearRbr850 Firmware< 3.2.17.12
NetgearRbs850 Firmware< 3.2.17.12
NetgearRbk752 Firmware< 3.2.17.12
NetgearRbr750 Firmware< 3.2.17.12
NetgearRbs750 Firmware< 3.2.17.12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45547?
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7850 before 1.0.5.74, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, and RBS850 before 3.2.17.12.
How severe is CVE-2021-45547?
CVE-2021-45547 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45547?
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.

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Source: NVD / NIST