What is CVE-2021-45527?

CVE-2021-45527 is a critical-severity vulnerability in Netgear D6220, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.6/10. Published 2021-12-26.

How severe is CVE-2021-45527?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Buffer overflow in Netgear D6220

CVE-2021-45527

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.54, EX7000 before 1.0.1.94…

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/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 (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45527?: CVE-2021-45527 is a critical-severity vulnerability in Netgear D6220, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.6/10. Published 2021-12-26.
How severe is CVE-2021-45527?: Critical severity. CVSS v3 base score is 9.6 out of 10.