CVE & CISA-KEV Catalog

CVE-2021-45540

HIGH
8.4
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7000 before 1.0.11.126, 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, RAX200 before 1.0.3.106, MR60 before 1.0.6.110, RAX45 before 1.0.2.66, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, RAX50 before 1.0.2.66, and RAX75 before 1.0.3.106.

CWE-77Command Injection

How to fix

Remediation Available
mr60 firmwareNVD
Affected:< 1.0.6.110Fixed in:1.0.6.110CVE-2021-45540derived from NVD
ms60 firmwareNVD
Affected:< 1.0.6.110Fixed in:1.0.6.110CVE-2021-45540derived from NVD
r7000 firmwareNVD
Affected:< 1.0.11.126Fixed in:1.0.11.126CVE-2021-45540derived from NVD
r7900 firmwareNVD
Affected:< 1.0.4.46Fixed in:1.0.4.46CVE-2021-45540derived from NVD
r7900p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45540derived from NVD
r7960p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45540derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.74Fixed in:1.0.4.74CVE-2021-45540derived from NVD
r8000p firmwareNVD
Affected:< 1.4.2.84Fixed in:1.4.2.84CVE-2021-45540derived from NVD
rax200 firmwareNVD
Affected:< 1.0.3.106Fixed in:1.0.3.106CVE-2021-45540derived from NVD
rax45 firmwareNVD
Affected:< 1.0.2.66Fixed in:1.0.2.66CVE-2021-45540derived from NVD
rax50 firmwareNVD
Affected:< 1.0.2.66Fixed in:1.0.2.66CVE-2021-45540derived from NVD
rax75 firmwareNVD
Affected:< 1.0.3.106Fixed in:1.0.3.106CVE-2021-45540derived from NVD
rax80 firmwareNVD
Affected:< 1.0.3.106Fixed in:1.0.3.106CVE-2021-45540derived 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 RequiredHigh
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.63%probability of exploitation in 30 days
46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2024-21887Critical9.1100%KEV + Ransom-
CVE-2023-1671Critical9.8100%KEVFix
CVE-2023-1389High8.8100%KEVFix
CVE-2021-1498Critical9.8100%KEVFix
CVE-2012-1823Critical9.8100%KEVFix
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CVE-2021-45540 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.