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CVE-2021-45606

HIGH
8.8
CVSS Score
Published: December 26, 2021 at 12:37 AM UTC
Updated: June 17, 2026 at 04:13 AM UTC
30 products affected across 1 vendorR7000P FirmwareR7000 FirmwareR8000 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 1.0%

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6400 before 1.0.1.70, 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 1.0.4.120, RS400 before 1.5.1.80, R6400v2 before 1.0.4.118, R7000P before 1.3.3.140, RAX80 before 1.0.4.120, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, and RAX75 before 1.0.4.120.

Affected

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

R6400 Firmware· NETGEAR
95%
v < 1.0.1.70
Affected range stops below 1.0.1.70, so it looks safe — our inference, not a vendor statement
R6400V2 Firmware· NETGEAR
95%
v < 1.0.4.118
Affected range stops below 1.0.4.118, so it looks safe — our inference, not a vendor statement
R6700V3 Firmware· NETGEAR
95%
v < 1.0.4.118
Affected range stops below 1.0.4.118, so it looks safe — our inference, not a vendor statement
netgear-r6700v3 (same device)
R6900P Firmware· NETGEAR
95%
v < 1.3.3.140
Affected range stops below 1.3.3.140, so it looks safe — our inference, not a vendor statement
R7000 Firmware· NETGEAR
95%
v < 1.0.11.126
Affected range stops below 1.0.11.126, so it looks safe — our inference, not a vendor statement
netgear-r7000 (same device)
R7000P Firmware· NETGEAR
95%
v < 1.3.3.140
Affected range stops below 1.3.3.140, so it looks safe — our inference, not a vendor statement
netgear-r7000p (same device)
R7900 Firmware· NETGEAR
95%
v < 1.0.4.46
Affected range stops below 1.0.4.46, so it looks safe — our inference, not a vendor statement
netgear-r7900 (same device)
R7900P Firmware· NETGEAR
95%
v < 1.4.2.84
Affected range stops below 1.4.2.84, so it looks safe — our inference, not a vendor statement
netgear-r7900p (same device)
R7960P Firmware· NETGEAR
95%
v < 1.4.2.84
Affected range stops below 1.4.2.84, so it looks safe — our inference, not a vendor statement
netgear-r7960p (same device)
R8000 Firmware· NETGEAR
95%
v < 1.0.4.74
Affected range stops below 1.0.4.74, so it looks safe — our inference, not a vendor statement
netgear-r8000 (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/000064498/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0499

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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