CVE-2021-45593
MEDIUM
6.8
CVSS Score
Published: December 26, 2021 at 12:41 AM UTC
Updated: June 17, 2026 at 04:13 AM UTC
16 products affected across 1 vendorRBR50 FirmwareRBK50 FirmwareRBR20 Firmware
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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.8%
Description
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.2.102, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBR50 before 2.7.2.102, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.2.102.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.7.3.22
Affected range stops below 2.7.3.22, so it looks safe — our inference, not a vendor statement
netgear-rbk20 (same device)
v < 2.7.3.22
Affected range stops below 2.7.3.22, so it looks safe — our inference, not a vendor statement
netgear-rbk40 (same device)
v < 2.7.2.102
Affected range stops below 2.7.2.102, so it looks safe — our inference, not a vendor statement
netgear-rbk50 (same device)
v < 2.7.3.22
Affected range stops below 2.7.3.22, so it looks safe — our inference, not a vendor statement
netgear-rbr20 (same device)
v < 2.7.3.22
Affected range stops below 2.7.3.22, so it looks safe — our inference, not a vendor statement
netgear-rbr40 (same device)
v < 2.7.2.102
Affected range stops below 2.7.2.102, so it looks safe — our inference, not a vendor statement
netgear-rbr50 (same device)
v < 2.7.3.22
Affected range stops below 2.7.3.22, so it looks safe — our inference, not a vendor statement
netgear-rbs20 (same device)
v < 2.7.3.22
Affected range stops below 2.7.3.22, so it looks safe — our inference, not a vendor statement
netgear-rbs40 (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://kb.netgear.com/000064474/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0175CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-77
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