What is CVE-2018-21221?

CVE-2018-21221 is a high-severity vulnerability in Netgear D3600, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-04-28.

How severe is CVE-2018-21221?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Netgear D3600

CVE-2018-21221

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netgear D3600
Netgear D3600_firmware
Netgear D6000
Netgear D6000_firmware
Netgear R9000
Netgear R9000_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21221?: CVE-2018-21221 is a high-severity vulnerability in Netgear D3600, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-04-28.
How severe is CVE-2018-21221?: High severity. CVSS v3 base score is 8.8 out of 10.