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CVE-2018-21181

HIGHCVSS 7.2/10EPSS 1.35%

Last modified

CVE-2018-21181 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.28, EX2700 before 1.0.1.32, EX6200v2 before 1.0.1.56, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.52, WN3100RPv2 before 1.0.0.42, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.28, EX2700 before 1.0.1.32, EX6200v2 before 1.0.1.56, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.52, WN3100RPv2 before 1.0.0.42, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearD7800 Firmware< 1.0.1.28
NetgearEx2700 Firmware< 1.0.1.32
NetgearEx6200 Firmware< 1.0.1.56
NetgearR7500 Firmware< 1.0.3.24
NetgearR7800 Firmware< 1.0.2.40
NetgearR9000 Firmware< 1.0.3.6
NetgearWn2000rpt Firmware< 1.0.1.20
NetgearWn3000rp Firmware< 1.0.2.52
NetgearWn3100rp Firmware< 1.0.0.42
NetgearWndr3700 Firmware< 1.0.2.92
NetgearWndr4300 Firmware< 1.0.2.94
NetgearWndr4300 Firmware< 1.0.0.50
NetgearWndr4500 Firmware< 1.0.0.50
NetgearWnr2000 Firmware< 1.0.0.62

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-21181?
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.28, EX2700 before 1.0.1.32, EX6200v2 before 1.0.1.56, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.52, WN3100RPv2 before 1.0.0.42, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.
How severe is CVE-2018-21181?
CVE-2018-21181 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.
How do I fix CVE-2018-21181?
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-2018-21181?

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Source: NVD / NIST