What’s Vulnerable › Vulnerabilities

CVE-2021-45521

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% 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-798

Description

Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.

Affected products

• NETGEAR Rbk352 Firmware: before 4.4.0.10 — fixed in 4.4.0.10
• NETGEAR Rbr350 Firmware: before 4.4.0.10 — fixed in 4.4.0.10
• NETGEAR Rbs350 Firmware: before 4.4.0.10 — fixed in 4.4.0.10

How to fix

Upgrade to a fixed version: NETGEAR Rbk352 Firmware 4.4.0.10; NETGEAR Rbr350 Firmware 4.4.0.10; NETGEAR Rbs350 Firmware 4.4.0.10. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000064161/Security-Advisory-for-Hardcoded-Password-on-Some-WiFi-Systems-PSV-2021-0045
• https://kb.netgear.com/000064161/Security-Advisory-for-Hardcoded-Password-on-Some-WiFi-Systems-PSV-2021-0045

Get alerted when CVE-2021-45521 or the next vulnerability affects your stack