CVE & CISA-KEV Catalog

CVE-2021-45550

MEDIUM
6.6
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

CWE-77Command Injection

How to fix

Remediation Available
d3600 firmwareNVD
Affected:< 1.0.0.76Fixed in:1.0.0.76CVE-2021-45550derived from NVD
d6000 firmwareNVD
Affected:< 1.0.0.78Fixed in:1.0.0.78CVE-2021-45550derived from NVD
d6100 firmwareNVD
Affected:< 1.0.0.63Fixed in:1.0.0.63CVE-2021-45550derived from NVD
d6220 firmwareNVD
Affected:< 1.0.0.52Fixed in:1.0.0.52CVE-2021-45550derived from NVD
d6400 firmwareNVD
Affected:< 1.0.0.86Fixed in:1.0.0.86CVE-2021-45550derived from NVD
d7800 firmwareNVD
Affected:< 1.0.1.56Fixed in:1.0.1.56CVE-2021-45550derived from NVD
d8500 firmwareNVD
Affected:< 1.0.3.44Fixed in:1.0.3.44CVE-2021-45550derived from NVD
dgn2200 firmwareNVD
Affected:< 1.0.0.110Fixed in:1.0.0.110CVE-2021-45550derived from NVD
dgn2200b firmwareNVD
Affected:< 1.0.0.109Fixed in:1.0.0.109CVE-2021-45550derived from NVD
r6250 firmwareNVD
Affected:< 1.0.4.34Fixed in:1.0.4.34CVE-2021-45550derived from NVD
r6300 firmwareNVD
Affected:< 1.0.4.34Fixed in:1.0.4.34CVE-2021-45550derived from NVD
r6400 firmwareNVD
Affected:< 1.0.2.66Fixed in:1.0.2.66CVE-2021-45550derived from NVD
r6700 firmwareNVD
Affected:< 1.0.2.66Fixed in:1.0.2.66CVE-2021-45550derived from NVD
r6900 firmwareNVD
Affected:< 1.0.2.4Fixed in:1.0.2.4CVE-2021-45550derived from NVD
r6900p firmwareNVD
Affected:< 1.3.1.64Fixed in:1.3.1.64CVE-2021-45550derived from NVD
r7000 firmwareNVD
Affected:< 1.0.9.42Fixed in:1.0.9.42CVE-2021-45550derived from NVD
r7000p firmwareNVD
Affected:< 1.3.1.64Fixed in:1.3.1.64CVE-2021-45550derived from NVD
r7100lg firmwareNVD
Affected:< 1.0.0.50Fixed in:1.0.0.50CVE-2021-45550derived from NVD
r7300 firmwareNVD
Affected:< 1.0.0.70Fixed in:1.0.0.70CVE-2021-45550derived from NVD
r7900 firmwareNVD
Affected:< 1.0.3.8Fixed in:1.0.3.8CVE-2021-45550derived from NVD
r7900p firmwareNVD
Affected:< 1.4.1.30Fixed in:1.4.1.30CVE-2021-45550derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.28Fixed in:1.0.4.28CVE-2021-45550derived from NVD
r8000p firmwareNVD
Affected:< 1.4.1.30Fixed in:1.4.1.30CVE-2021-45550derived from NVD
r8300 firmwareNVD
Affected:< 1.0.2.128Fixed in:1.0.2.128CVE-2021-45550derived from NVD
r8500 firmwareNVD
Affected:< 1.0.2.128Fixed in:1.0.2.128CVE-2021-45550derived from NVD
wndr3400 firmwareNVD
Affected:< 1.0.1.24Fixed in:1.0.1.24CVE-2021-45550derived from NVD
wnr3500l firmwareNVD
Affected:< 1.2.0.62Fixed in:1.2.0.62CVE-2021-45550derived from NVD
xr500 firmwareNVD
Affected:< 2.3.2.56Fixed in:2.3.2.56CVE-2021-45550derived 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 InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.57%probability of exploitation in 30 days
43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Vendor Advisory1

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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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.