CVE-2021-45515

MEDIUM

6.5

CVSS Score

Published: December 26, 2021 at 01:00 AM UTC

Updated: June 17, 2026 at 04:13 AM UTC

24 products affected across 1 vendorRBR850 FirmwareRBS850 FirmwareRBK852 Firmware

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.5%

Description

Certain NETGEAR devices are affected by denial of service. This affects EX7500 before 1.0.0.72, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, RBRE960 before 6.0.3.68, RBSE960 before 6.0.3.68, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12.

Affected

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

EX7500 Firmware · NETGEAR

95%

v < 1.0.0.72

Affected range stops below 1.0.0.72, so it looks safe — our inference, not a vendor statement

netgear-ex7500 (same device)

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)

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)

RBKE963 Firmware · NETGEAR

95%

v < 6.0.3.68

Affected range stops below 6.0.3.68, so it looks safe — our inference, not a vendor statement

netgear-rbke963 (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)

RBRE960 Firmware · NETGEAR

95%

v < 6.0.3.68

Affected range stops below 6.0.3.68, so it looks safe — our inference, not a vendor statement

netgear-rbre960 (same device)

RBS40V Firmware · NETGEAR

95%

v < 2.6.1.4

Affected range stops below 2.6.1.4, so it looks safe — our inference, not a vendor statement

netgear-rbs40v (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

RBS850 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-rbs850 (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

https://kb.netgear.com/000064484/Security-Advisory-for-Denial-of-Service-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0286

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://kb.netgear.com/000064484/Security-Advisory-for-Denial-of-Service-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0286

CVSS

6.5MEDIUMmitre

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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