CVE-2021-45539

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-26 · updated 2026-06-17
Weakness: CWE-77

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.28, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.28, and RAX75 before 1.0.3.106.

Affected products

NETGEAR Mr60 Firmware: before 1.0.6.110 — fixed in 1.0.6.110
NETGEAR Ms60 Firmware: before 1.0.6.110 — fixed in 1.0.6.110
NETGEAR R7900P Firmware: before 1.4.2.84 — fixed in 1.4.2.84
NETGEAR R7960P Firmware: before 1.4.2.84 — fixed in 1.4.2.84
NETGEAR R8000 Firmware: before 1.0.4.74 — fixed in 1.0.4.74
NETGEAR R8000P Firmware: before 1.4.2.84 — fixed in 1.4.2.84
NETGEAR Rax15 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
NETGEAR Rax20 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
NETGEAR Rax45 Firmware: before 1.0.2.28 — fixed in 1.0.2.28
NETGEAR Rax50 Firmware: before 1.0.2.28 — fixed in 1.0.2.28
NETGEAR Rax75 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
NETGEAR Rax80 Firmware: before 1.0.3.106 — fixed in 1.0.3.106

How to fix

Upgrade to a fixed version: NETGEAR Mr60 Firmware 1.0.6.110; NETGEAR Ms60 Firmware 1.0.6.110; NETGEAR R7900P Firmware 1.4.2.84; NETGEAR R7960P Firmware 1.4.2.84; NETGEAR R8000 Firmware 1.0.4.74; NETGEAR R8000P Firmware 1.4.2.84; NETGEAR Rax15 Firmware 1.0.2.82; NETGEAR Rax20 Firmware 1.0.2.82; NETGEAR Rax45 Firmware 1.0.2.28; NETGEAR Rax50 Firmware 1.0.2.28; NETGEAR Rax75 Firmware 1.0.3.106; NETGEAR Rax80 Firmware 1.0.3.106. Check the vendor advisory for mitigations.

References

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