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CVE-2018-21189

MEDIUMCVSS 6.8/10EPSS 0.65%

Last modified

CVE-2018-21189 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, 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 0.65% 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 D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, 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
6.8/10

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

EPSS Probability
0.65%

46.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearD6100 Firmware< 1.0.0.57
NetgearR6100 Firmware< 1.0.1.20
NetgearR7800 Firmware< 1.0.2.40
NetgearR9000 Firmware< 1.0.2.52
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-2018-21189?
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, 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-2018-21189?
CVE-2018-21189 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.
How do I fix CVE-2018-21189?
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-2018-21189?

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

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Source: NVD / NIST