Cyber Resilience

CVE-2021-45626

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 0.0021 43.5th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45626 is a critical-severity Command Injection (CWE-77) vulnerability in Netgear Rbk20 Firmware. Its CVSS base score is 9.6 (Critical).

Operationally, ranked at the 43.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK20 before 2.6.1.36, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.36, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before…

more

2.6.1.40, and RBS50Y before 2.6.1.40.

CWE(s)

Related Threats

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

Affected Assets

netgear
rbk20 firmware
≤ 2.6.1.38
netgear
rbr20 firmware
≤ 2.6.1.36
netgear
rbs20 firmware
≤ 2.6.1.38
netgear
rbk40 firmware
≤ 2.6.1.38
netgear
rbr40 firmware
≤ 2.6.1.36
netgear
rbs40 firmware
≤ 2.6.1.38
netgear
rbk50 firmware
≤ 2.6.1.40
netgear
rbr50 firmware
≤ 2.6.1.40
netgear
rbs50 firmware
≤ 2.6.1.40
netgear
rbs50y firmware
≤ 2.6.1.40

Mitigating Controls

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

References