What is CVE-2021-45651?

CVE-2021-45651 is a high-severity vulnerability in NETGEAR Rbk50, classified under Information Disclosure. CVSS score: 7.4/10. Published 2021-12-26.

How severe is CVE-2021-45651?

High severity. CVSS v3 base score is 7.4 out of 10.

Information disclosure in NETGEAR Rbk50

CVE-2021-45651

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects RBK50 before 2.7.3.22, RBR50 before 2.7.3.22, and RBS50 before 2.7.3.22.

Vulnerability class: Information Disclosure

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

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.4th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

kb.netgear.com/000064441/Security-Advisory-for-Sensitive-Information-Disclosure… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45651?: CVE-2021-45651 is a high-severity vulnerability in NETGEAR Rbk50, classified under Information Disclosure. CVSS score: 7.4/10. Published 2021-12-26.
How severe is CVE-2021-45651?: High severity. CVSS v3 base score is 7.4 out of 10.