Is CVE-2021-45648 actively exploited?

No active exploitation of CVE-2021-45648 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-45648 be exploited remotely?

Yes. CVE-2021-45648 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-45648?

CVE-2021-45648 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2021-45648

HIGH

CVE-2021-45648

CWE-200Published: December 26, 2021· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EX6100v2 before 1.0.1.106, EX6150v2 before 1.0.1.106, EX6250 before 1.0.0.146, EX6400 before 1.0.2.164, EX6400v2 before 1.0.0.146, EX6410 before 1.0.0.146, EX6420 before 1.0.0.146, EX7300 before 1.0.2.164, EX7300v2 before 1.0.0.146, EX7320 before 1.0.0.146, EX7700 before 1.0.0.222, LBR1020 before 2.6.5.16, LBR20 before 2.6.5.2, RBK352 before 4.3.4.7, RBK50 before 2.7.3.22, RBR350 before 4.3.4.7, RBR50 before 2.7.3.22, and RBS350 before 4.3.4.7.

NVD Source

Technical Analysis

CVE-2021-45648 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.