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CVE-2021-29074

HIGH
8.4
CVSS Score
Published: March 23, 2021 at 06:59 AM UTC
Updated: June 17, 2026 at 03:47 AM UTC
24 products affected across 1 vendorRBR850 FirmwareRBS850 FirmwareRBK852 Firmware

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Severity
HIGH8.4
Exploit prediction
EPSS 0.5%

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects RBW30 before 2.6.2.2, RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, RBK753 before 3.2.17.12, RBK753S before 3.2.17.12, RBK754 before 3.2.17.12, RBR750 before 3.2.17.12, and RBS750 before 3.2.17.12.

Affected

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

RBK752 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbk752 (same device)
RBK753 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbk753 (same device)
RBK753S Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbk753s (same device)
RBK754 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbk754 (same device)
RBK852 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbk852 (same device)
RBK853 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbk853 (same device)
RBK854 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbk854 (same device)
RBR750 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbr750 (same device)
RBR850 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement
netgear-rbr850 (same device)
RBS750 Firmware· NETGEAR
95%
v < 3.2.17.12
Affected range stops below 3.2.17.12, so it looks safe — our inference, not a vendor statement

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_MISCVendor Advisory
Source: [email protected]
https://kb.netgear.com/000063011/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-WiFi-Routers-PSV-2020-0467

CVSS

8.4HIGHmitre
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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