What is CVE-2018-21135?

CVE-2018-21135 is a high-severity vulnerability in Netgear R6700, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2020-04-23.

How severe is CVE-2018-21135?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Netgear R6700

CVE-2018-21135

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6700 before 1.0.1.48, R7500 before 1.0.0.124, R7800 before 1.0.2.58, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5-R2000 before 1.0.0.68.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (68.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21135?: CVE-2018-21135 is a high-severity vulnerability in Netgear R6700, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2020-04-23.
How severe is CVE-2018-21135?: High severity. CVSS v3 base score is 7.2 out of 10.