CVE-2021-45648

HIGH

7.5

CVSS Score

Published: December 26, 2021 at 12:29 AM UTC

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

36 products affected across 1 vendorRBR50 FirmwareRBK50 FirmwareEX7300 Firmware

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Severity

HIGH7.5

Exploit prediction

EPSS 0.8%

Description

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EX6100v2 before 1.0.1.106, EX6150v2 before 1.0.1.106, EX6250 before 1.0.0.146, EX6400 before 1.0.2.164, EX6400v2 before 1.0.0.146, EX6410 before 1.0.0.146, EX6420 before 1.0.0.146, EX7300 before 1.0.2.164, EX7300v2 before 1.0.0.146, EX7320 before 1.0.0.146, EX7700 before 1.0.0.222, LBR1020 before 2.6.5.16, LBR20 before 2.6.5.2, RBK352 before 4.3.4.7, RBK50 before 2.7.3.22, RBR350 before 4.3.4.7, RBR50 before 2.7.3.22, and RBS350 before 4.3.4.7.

Affected

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

EX6100V2 Firmware · NETGEAR

95%

v < 1.0.1.106

Affected range stops below 1.0.1.106, so it looks safe — our inference, not a vendor statement

netgear-ex6100v2 (same device)

EX6150V2 Firmware · NETGEAR

95%

v < 1.0.1.106

Affected range stops below 1.0.1.106, so it looks safe — our inference, not a vendor statement

netgear-ex6150v2 (same device)

EX6250 Firmware · NETGEAR

95%

v < 1.0.0.146

Affected range stops below 1.0.0.146, so it looks safe — our inference, not a vendor statement

netgear-ex6250 (same device)

EX6400 Firmware · NETGEAR

95%

v < 1.0.2.164

Affected range stops below 1.0.2.164, so it looks safe — our inference, not a vendor statement

netgear-ex6400 (same device)

EX6400V2 Firmware · NETGEAR

95%

v < 1.0.0.146

Affected range stops below 1.0.0.146, so it looks safe — our inference, not a vendor statement

netgear-ex6400v2 (same device)

EX6410 Firmware · NETGEAR

95%

v < 1.0.0.146

Affected range stops below 1.0.0.146, so it looks safe — our inference, not a vendor statement

netgear-ex6410 (same device)

EX6420 Firmware · NETGEAR

95%

v < 1.0.0.146

Affected range stops below 1.0.0.146, so it looks safe — our inference, not a vendor statement

netgear-ex6420 (same device)

EX7300 Firmware · NETGEAR

95%

v < 1.0.2.164

Affected range stops below 1.0.2.164, so it looks safe — our inference, not a vendor statement

netgear-ex7300 (same device)

EX7300V2 Firmware · NETGEAR

95%

v < 1.0.0.146

Affected range stops below 1.0.0.146, so it looks safe — our inference, not a vendor statement

netgear-ex7300v2 (same device)

EX7320 Firmware · NETGEAR

95%

v < 1.0.0.146

Affected range stops below 1.0.0.146, so it looks safe — our inference, not a vendor statement

netgear-ex7320 (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/000064494/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0453

References (1)

x_refsource_MISCPatchVendor Advisory

Source: [email protected]

https://kb.netgear.com/000064494/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0453

CVSS

7.5HIGH[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-200

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