What is CVE-2021-45500?

CVE-2021-45500 is a critical-severity vulnerability in NETGEAR R7000p. CVSS score: 9.6/10. Published 2021-12-26.

How severe is CVE-2021-45500?

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

Vulnerability in NETGEAR R7000p

CVE-2021-45500

Certain NETGEAR devices are affected by authentication bypass. This affects R7000P before 1.3.3.140 and R8000 before 1.0.4.68.

Published 2021-12-26 · last modified 2026-06-17.

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:L.

EPSS exploit prediction

EPSS: 0.005 (37.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

References

kb.netgear.com/000064070/Security-Advisory-for-Authentication-Bypass-on-Some-Ro… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45500?: CVE-2021-45500 is a critical-severity vulnerability in NETGEAR R7000p. CVSS score: 9.6/10. Published 2021-12-26.
How severe is CVE-2021-45500?: Critical severity. CVSS v3 base score is 9.6 out of 10.