CVE-2021-45651
CWE-200Published: December 26, 2021· Updated: Jun 17, 2026
Official Description
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.
Technical Analysis
CVE-2021-45651 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-45651 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts