What is CVE-2018-21134?

CVE-2018-21134 is a critical-severity vulnerability in Netgear D6220, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-23.

How severe is CVE-2018-21134?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Netgear D6220

CVE-2018-21134

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6700 before 1.0.1.48, R7900 before 1.0.2.16, R6900 before 1.0.1.48, R7000P before 1.3.1.44, R6900P before 1.3.1.44, R6250 b…

Vulnerability class: Buffer Overflow

EPSS: 0.013 (66.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netgear D6220
Netgear D6220_firmware
Netgear D6400
Netgear D6400_firmware
Netgear D7000 — versions v2
Netgear D7000_firmware
Netgear D8500
Netgear D8500_firmware
Netgear Ex3700
Netgear Ex3700_firmware

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21134?: CVE-2018-21134 is a critical-severity vulnerability in Netgear D6220, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-23.
How severe is CVE-2018-21134?: Critical severity. CVSS v3 base score is 9.8 out of 10.