Cyber Resilience

CVE-2021-38530

Critical

Published: 11 August 2021

Published
11 August 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 0.0166 82.5th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-38530 is a critical-severity Command Injection (CWE-77) vulnerability in Netgear Rbk40 Firmware. Its CVSS base score is 9.6 (Critical).

Operationally, ranked in the top 17.5% 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 command injection by an unauthenticated attacker. This affects RBK40 before 2.5.1.16, RBR40 before 2.5.1.16, RBS40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before…

more

2.5.1.16, and RBS50Y before 2.6.1.40.

CWE(s)
CWE-77

Related Threats

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

Affected Assets

netgear
rbk40 firmware
≤ 2.5.1.16
netgear
rbr40 firmware
≤ 2.5.1.16
netgear
rbs40 firmware
≤ 2.5.1.16
netgear
rbk20 firmware
≤ 2.5.1.16
netgear
rbr20 firmware
≤ 2.5.1.16
netgear
rbs20 firmware
≤ 2.5.1.16
netgear
rbk50 firmware
≤ 2.5.1.16
netgear
rbr50 firmware
≤ 2.5.1.16
netgear
rbs50 firmware
≤ 2.5.1.16
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