Cyber Resilience

CVE-2021-45509

Critical

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 9.6 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0031 54.1th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45509 is a critical-severity an unspecified weakness vulnerability in Netgear Cbr40 Firmware. Its CVSS base score is 9.6 (Critical).

Operationally, ranked in the top 45.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

CWE(s)
NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

netgear
cbr40 firmware
≤ 2.5.0.24
netgear
rbk752 firmware
≤ 3.2.17.12
netgear
rbr750 firmware
≤ 3.2.17.12
netgear
rbs750 firmware
≤ 3.2.17.12
netgear
rbk852 firmware
≤ 3.2.17.12
netgear
rbr850 firmware
≤ 3.2.17.12
netgear
rbs850 firmware
≤ 3.2.17.12

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References