What’s Vulnerable › Vulnerabilities

CVE-2021-45540

• Severity: high (CVSS 8.4 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 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.

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 R7000: before 1.0.11.126 — fixed in 1.0.11.126
• NETGEAR R7900 Firmware: before 1.0.4.46 — fixed in 1.0.4.46
• 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 Rax200 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
• NETGEAR Rax45 Firmware: before 1.0.2.66 — fixed in 1.0.2.66
• NETGEAR Rax50 Firmware: before 1.0.2.66 — fixed in 1.0.2.66
• 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 R7000 1.0.11.126; NETGEAR R7900 Firmware 1.0.4.46; 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 Rax200 Firmware 1.0.3.106; NETGEAR Rax45 Firmware 1.0.2.66; NETGEAR Rax50 Firmware 1.0.2.66; NETGEAR Rax75 Firmware 1.0.3.106. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000064477/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0196
• https://kb.netgear.com/000064477/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0196

Get alerted when CVE-2021-45540 or the next vulnerability affects your stack