What’s Vulnerable › Vulnerabilities
CVE-2021-45615
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% 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 unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000P before 1.4.2.84, R8300 before 1.0.2.154, R8500 before 1.0.2.154, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.
Affected products
- NETGEAR Cbr40 Firmware: before 2.5.0.24 — fixed in 2.5.0.24
- NETGEAR Cbr750 Firmware: before 4.6.3.6 — fixed in 4.6.3.6
- 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 R8000P Firmware: before 1.4.2.84 — fixed in 1.4.2.84
- NETGEAR R8300 Firmware: before 1.0.2.154 — fixed in 1.0.2.154
- NETGEAR R8500 Firmware: before 1.0.2.154 — fixed in 1.0.2.154
- NETGEAR Rbk752 Firmware: before 3.2.17.12 — fixed in 3.2.17.12
- NETGEAR Rbk852 Firmware: before 3.2.17.12 — fixed in 3.2.17.12
- NETGEAR Rbr750 Firmware: before 3.2.17.12 — fixed in 3.2.17.12
- NETGEAR Rbr850 Firmware: before 3.2.17.12 — fixed in 3.2.17.12
- Netgear Orbi Satellite RBS750: before 3.2.17.12 — fixed in 3.2.17.12
- NETGEAR Rbs850 Firmware: before 3.2.17.12 — fixed in 3.2.17.12
How to fix
Upgrade to a fixed version: NETGEAR Cbr40 Firmware 2.5.0.24; NETGEAR Cbr750 Firmware 4.6.3.6; NETGEAR R7900P Firmware 1.4.2.84; NETGEAR R7960P Firmware 1.4.2.84; NETGEAR R8000P Firmware 1.4.2.84; NETGEAR R8300 Firmware 1.0.2.154; NETGEAR R8500 Firmware 1.0.2.154; NETGEAR Rbk752 Firmware 3.2.17.12; NETGEAR Rbk852 Firmware 3.2.17.12; NETGEAR Rbr750 Firmware 3.2.17.12; NETGEAR Rbr850 Firmware 3.2.17.12; Netgear Orbi Satellite RBS750 3.2.17.12. Check the vendor advisory for mitigations.
References
- https://kb.netgear.com/000064514/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0521
- https://kb.netgear.com/000064514/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0521
Get alerted when CVE-2021-45615 or the next vulnerability affects your stack