What’s Vulnerable › Vulnerabilities

CVE-2021-45648

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-26 · updated 2026-06-17
• Weakness: CWE-200

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 products

• NETGEAR Ex6100V2 Firmware: before 1.0.1.106 — fixed in 1.0.1.106
• NETGEAR Ex6150V2 Firmware: before 1.0.1.106 — fixed in 1.0.1.106
• NETGEAR Ex6250 Firmware: before 1.0.0.146 — fixed in 1.0.0.146
• NETGEAR Ex6400 Firmware: before 1.0.2.164 — fixed in 1.0.2.164
• NETGEAR Ex6400V2 Firmware: before 1.0.0.146 — fixed in 1.0.0.146
• NETGEAR Ex6410 Firmware: before 1.0.0.146 — fixed in 1.0.0.146
• NETGEAR Ex6420 Firmware: before 1.0.0.146 — fixed in 1.0.0.146
• NETGEAR Ex7300 Firmware: before 1.0.2.164 — fixed in 1.0.2.164
• NETGEAR Ex7300V2 Firmware: before 1.0.0.146 — fixed in 1.0.0.146
• NETGEAR Ex7320 Firmware: before 1.0.0.146 — fixed in 1.0.0.146
• NETGEAR Ex7700 Firmware: before 1.0.0.222 — fixed in 1.0.0.222
• NETGEAR Lbr1020 Firmware: before 2.6.5.16 — fixed in 2.6.5.16
• NETGEAR Lbr20 Firmware: before 2.6.5.2 — fixed in 2.6.5.2
• NETGEAR Rbk352 Firmware: before 4.3.4.7 — fixed in 4.3.4.7
• NETGEAR Rbk50 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
• NETGEAR Rbr350 Firmware: before 4.3.4.7 — fixed in 4.3.4.7
• NETGEAR Rbr50 Firmware: before 2.7.3.22 — fixed in 2.7.3.22
• NETGEAR Rbs350 Firmware: before 4.3.4.7 — fixed in 4.3.4.7

How to fix

Upgrade to a fixed version: NETGEAR Ex6100V2 Firmware 1.0.1.106; NETGEAR Ex6150V2 Firmware 1.0.1.106; NETGEAR Ex6250 Firmware 1.0.0.146; NETGEAR Ex6400 Firmware 1.0.2.164; NETGEAR Ex6400V2 Firmware 1.0.0.146; NETGEAR Ex6410 Firmware 1.0.0.146; NETGEAR Ex6420 Firmware 1.0.0.146; NETGEAR Ex7300 Firmware 1.0.2.164; NETGEAR Ex7300V2 Firmware 1.0.0.146; NETGEAR Ex7320 Firmware 1.0.0.146; NETGEAR Ex7700 Firmware 1.0.0.222; NETGEAR Lbr1020 Firmware 2.6.5.16. Check the vendor advisory for mitigations.

References

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

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