What’s Vulnerable › Vulnerabilities
CVE-2021-45595
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% 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 LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.
Affected products
- NETGEAR Lbr20 Firmware: before 2.6.3.50 — fixed in 2.6.3.50
- NETGEAR Rbk12 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbk20 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbk40 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbk50 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbr10 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbr20 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbr40 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbr50 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbs10 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbs20 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbs40 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbs50 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
- NETGEAR Rbs50Y Firmware: before 2.7.3.22 — fixed in 2.7.3.22
How to fix
Upgrade to a fixed version: NETGEAR Lbr20 Firmware 2.6.3.50; NETGEAR Rbk12 Firmware 2.7.3.22; NETGEAR Rbk20 Firmware 2.7.3.22; NETGEAR Rbk40 Firmware 2.7.3.22; NETGEAR Rbk50 Firmware 2.7.3.22; NETGEAR Rbr10 Firmware 2.7.3.22; NETGEAR Rbr20 Firmware 2.7.3.22; NETGEAR Rbr40 Firmware 2.7.3.22; NETGEAR Rbr50 Firmware 2.7.3.22; NETGEAR Rbs10 Firmware 2.7.3.22; NETGEAR Rbs20 Firmware 2.7.3.22; NETGEAR Rbs40 Firmware 2.7.3.22. Check the vendor advisory for mitigations.
References
- https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462
- https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462
Get alerted when CVE-2021-45595 or the next vulnerability affects your stack