CVE & CISA-KEV Catalog

CVE-2021-38530

CRITICALEPSS 81th pctl
9.6
CVSS v3
NVD

Description

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 2.5.1.16, and RBS50Y before 2.6.1.40.

How to fix

Remediation Available
rbk20 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbk40 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbk50 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbr20 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbr40 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbr50 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbs20 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbs40 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbs50 firmwareNVD
Affected:< 2.5.1.16Fixed in:2.5.1.16CVE-2021-38530derived from NVD
rbs50y firmwareNVD
Affected:< 2.6.1.40Fixed in:2.6.1.40CVE-2021-38530derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

2.22%probability of exploitation in 30 days
81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Vendor Advisory1

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.