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CVE-2021-45526

HIGHCVSS 8.8/10EPSS 0.45%

Last modified

CVE-2021-45526 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.

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
0.45%

35.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearEx6000 Firmware< 1.0.0.38
NetgearEx6120 Firmware< 1.0.0.48
NetgearEx6130 Firmware< 1.0.0.30
NetgearR6300v2 Firmware< 1.0.4.52
NetgearR6400 Firmware< 1.0.1.52
NetgearR7000 Firmware< 1.0.11.126
NetgearR7900 Firmware< 1.0.4.30
NetgearR8000 Firmware< 1.0.4.52
NetgearR8000p Firmware< 1.4.1.50
NetgearR7000p Firmware< 1.3.2.124
NetgearRax80 Firmware< 1.0.3.88
NetgearRax75 Firmware< 1.0.3.88
NetgearR6900p Firmware< 1.3.2.124
NetgearR7900p Firmware< 1.4.1.50

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45526?
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.
How severe is CVE-2021-45526?
CVE-2021-45526 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45526?
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-2021-45526?

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

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Source: NVD / NIST