CVE & CISA-KEV Catalog

CVE-2021-45620

CRITICALEPSS 79th pctl
9.6
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68, LAX20 before 1.1.6.28, MR60 before 1.0.6.116, MR80 before 1.1.2.20, MS60 before 1.0.6.116, MS80 before 1.1.2.20, MK62 before 1.0.6.116, MK83 before 1.1.2.20, R6400 before 1.0.1.70, R6400v2 before 1.0.4.106, R6700v3 before 1.0.4.106, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, R7850 before 1.0.5.74, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RS400 before 1.5.1.80, XR1000 before 1.0.0.58, and XR300 before 1.0.3.68.

CWE-77Command Injection

How to fix

Remediation Available
cbr40 firmwareNVD
Affected:< 2.5.0.24Fixed in:2.5.0.24CVE-2021-45620derived from NVD
cbr750 firmwareNVD
Affected:< 4.6.3.6Fixed in:4.6.3.6CVE-2021-45620derived from NVD
eax20 firmwareNVD
Affected:< 1.0.0.58Fixed in:1.0.0.58CVE-2021-45620derived from NVD
eax80 firmwareNVD
Affected:< 1.0.1.68Fixed in:1.0.1.68CVE-2021-45620derived from NVD
lax20 firmwareNVD
Affected:< 1.1.6.28Fixed in:1.1.6.28CVE-2021-45620derived from NVD
mk62 firmwareNVD
Affected:< 1.0.6.116Fixed in:1.0.6.116CVE-2021-45620derived from NVD
mk83 firmwareNVD
Affected:< 1.1.2.20Fixed in:1.1.2.20CVE-2021-45620derived from NVD
mr60 firmwareNVD
Affected:< 1.0.6.116Fixed in:1.0.6.116CVE-2021-45620derived from NVD
mr80 firmwareNVD
Affected:< 1.1.2.20Fixed in:1.1.2.20CVE-2021-45620derived from NVD
ms60 firmwareNVD
Affected:< 1.0.6.116Fixed in:1.0.6.116CVE-2021-45620derived from NVD
ms80 firmwareNVD
Affected:< 1.1.2.20Fixed in:1.1.2.20CVE-2021-45620derived from NVD
r6400 firmwareNVD
Affected:< 1.0.1.70Fixed in:1.0.1.70CVE-2021-45620derived from NVD
r6400v2 firmwareNVD
Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2021-45620derived from NVD
r6700v3 firmwareNVD
Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2021-45620derived from NVD
r6900p firmwareNVD
Affected:< 1.3.3.140Fixed in:1.3.3.140CVE-2021-45620derived from NVD
r7000 firmwareNVD
Affected:< 1.0.11.126Fixed in:1.0.11.126CVE-2021-45620derived from NVD
r7000p firmwareNVD
Affected:< 1.3.3.140Fixed in:1.3.3.140CVE-2021-45620derived from NVD
r7850 firmwareNVD
Affected:< 1.0.5.74Fixed in:1.0.5.74CVE-2021-45620derived from NVD
r7900 firmwareNVD
Affected:< 1.0.4.46Fixed in:1.0.4.46CVE-2021-45620derived from NVD
r7900p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45620derived from NVD
r7960p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45620derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.74Fixed in:1.0.4.74CVE-2021-45620derived from NVD
r8000p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45620derived from NVD
rax15 firmwareNVD
Affected:< 1.0.3.96Fixed in:1.0.3.96CVE-2021-45620derived from NVD
rax200 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45620derived from NVD
rax20 firmwareNVD
Affected:< 1.0.3.96Fixed in:1.0.3.96CVE-2021-45620derived from NVD
rax35v2 firmwareNVD
Affected:< 1.0.3.96Fixed in:1.0.3.96CVE-2021-45620derived from NVD
rax40v2 firmwareNVD
Affected:< 1.0.3.96Fixed in:1.0.3.96CVE-2021-45620derived from NVD
rax43 firmwareNVD
Affected:< 1.0.3.96Fixed in:1.0.3.96CVE-2021-45620derived from NVD
rax45 firmwareNVD
Affected:< 1.0.3.96Fixed in:1.0.3.96CVE-2021-45620derived from NVD
rax50 firmwareNVD
Affected:< 1.0.3.96Fixed in:1.0.3.96CVE-2021-45620derived from NVD
rax75 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45620derived from NVD
rax80 firmwareNVD
Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2021-45620derived from NVD
rbk752 firmwareNVD
Affected:< 3.2.17.12Fixed in:3.2.17.12CVE-2021-45620derived from NVD
rbk852 firmwareNVD
Affected:< 3.2.17.12Fixed in:3.2.17.12CVE-2021-45620derived from NVD
rbr750 firmwareNVD
Affected:< 3.2.17.12Fixed in:3.2.17.12CVE-2021-45620derived from NVD
rbr850 firmwareNVD
Affected:< 3.2.17.12Fixed in:3.2.17.12CVE-2021-45620derived from NVD
rbs750 firmwareNVD
Affected:< 3.2.17.12Fixed in:3.2.17.12CVE-2021-45620derived from NVD
rbs850 firmwareNVD
Affected:< 3.2.17.12Fixed in:3.2.17.12CVE-2021-45620derived from NVD
rs400 firmwareNVD
Affected:< 1.5.1.80Fixed in:1.5.1.80CVE-2021-45620derived from NVD
xr1000 firmwareNVD
Affected:< 1.0.0.58Fixed in:1.0.0.58CVE-2021-45620derived from NVD
xr300 firmwareNVD
Affected:< 1.0.3.68Fixed in:1.0.3.68CVE-2021-45620derived 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

2.02%probability of exploitation in 30 days
79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Vendor Advisory1

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CVE-2021-45620 severity badge

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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.