What is CVE-2018-21156?

CVE-2018-21156 is a high-severity vulnerability in Netgear D6220, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.2/10. Published 2020-04-27.

How severe is CVE-2018-21156?

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

Buffer overflow in Netgear D6220

CVE-2018-21156

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.38, D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGN2200Bv4 before 1…

Vulnerability class: Buffer Overflow

EPSS: 0.013 (68.0th 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-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-2018-21156?: CVE-2018-21156 is a high-severity vulnerability in Netgear D6220, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.2/10. Published 2020-04-27.
How severe is CVE-2018-21156?: High severity. CVSS v3 base score is 7.2 out of 10.