What’s Vulnerable › Vulnerabilities

CVE-2021-45673

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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-79

Description

Certain NETGEAR devices are affected by stored XSS. This affects R7000 before 1.0.11.110, R7900 before 1.0.4.30, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, R7000P before 1.3.3.140, RAX80 before 1.0.3.106, R6900P before 1.3.3.140, and RAX75 before 1.0.3.106.

Affected products

• NETGEAR R6900P Firmware: before 1.3.3.140 — fixed in 1.3.3.140
• NETGEAR R7000: before 1.0.11.110 — fixed in 1.0.11.110
• NETGEAR R7000P: before 1.3.3.140 — fixed in 1.3.3.140
• NETGEAR R7900 Firmware: before 1.0.4.30 — fixed in 1.0.4.30
• NETGEAR R8000 Firmware: before 1.0.4.62 — fixed in 1.0.4.62
• NETGEAR Rax200 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
• NETGEAR Rax75 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
• NETGEAR Rax80 Firmware: before 1.0.3.106 — fixed in 1.0.3.106

How to fix

Upgrade to a fixed version: NETGEAR R6900P Firmware 1.3.3.140; NETGEAR R7000 1.0.11.110; NETGEAR R7000P 1.3.3.140; NETGEAR R7900 Firmware 1.0.4.30; NETGEAR R8000 Firmware 1.0.4.62; NETGEAR Rax200 Firmware 1.0.3.106; NETGEAR Rax75 Firmware 1.0.3.106; NETGEAR Rax80 Firmware 1.0.3.106. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000064456/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0003
• https://kb.netgear.com/000064456/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0003

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