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CVE-2018-21171

MEDIUMCVSS 6.8/10EPSS 0.63%

Last modified

CVE-2018-21171 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, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.98.. EPSS estimates a 0.63% 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, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.98.

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
0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearR7800 Firmware< 1.0.2.40
NetgearR9000 Firmware< 1.0.2.40
NetgearD6100 Firmware< 1.0.0.57
NetgearWndr3700 Firmware< 1.0.2.92
NetgearWndr4300 Firmware< 1.0.2.98

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-21171?
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.98.
How severe is CVE-2018-21171?
CVE-2018-21171 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2018-21171?
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-2018-21171?

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

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Source: NVD / NIST