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CVE-2021-45659

HIGH
7.8
CVSS Score
Published: December 26, 2021 at 12:27 AM UTC
Updated: June 17, 2026 at 04:13 AM UTC
20 products affected across 1 vendorRBR50 FirmwareRBS50 FirmwareRBK50 Firmware

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

Description

Certain NETGEAR devices are affected by server-side injection. This affects RBK40 before 2.5.1.16, RBR40 before 2.5.1.16, RBS40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, and RBS50Y before 2.6.1.40.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

RBK20 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbk20 (same device)
RBK40 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbk40 (same device)
RBK50 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbk50 (same device)
RBR20 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbr20 (same device)
RBR40 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbr40 (same device)
RBR50 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbr50 (same device)
RBS20 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbs20 (same device)
RBS40 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbs40 (same device)
RBS50 Firmware· NETGEAR
95%
v < 2.5.1.16
Affected range stops below 2.5.1.16, so it looks safe — our inference, not a vendor statement
netgear-rbs50 (same device)
RBS50Y Firmware· NETGEAR
95%
v < 2.6.1.40
Affected range stops below 2.6.1.40, so it looks safe — our inference, not a vendor statement
netgear-rbs50y (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://kb.netgear.com/000064063/Security-Advisory-for-Server-Side-Injection-on-Some-WiFi-Systems-PSV-2019-0126

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74

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