What’s Vulnerable › Vulnerabilities
CVE-2021-45610
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.5% 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-120
Description
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.52, DGN2200v4 before 1.0.0.118, EAX80 before 1.0.1.64, R6250 before 1.0.4.48, R7000 before 1.0.11.110, R7100LG before 1.0.0.72, R7900 before 1.0.4.30, R7960P before 1.4.1.64, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, RS400 before 1.5.1.80, XR300 before 1.0.3.68, R6400v2 before 1.0.4.106, R7000P before 1.3.2.132, R8000P before 1.4.1.64, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.3.106, R6700v3 before 1.0.4.106, R6900P before 1.3.2.132, R7900P before 1.4.1.64, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.3.106.
Affected products
- NETGEAR D6220 Firmware: before 1.0.0.66 — fixed in 1.0.0.66
- Netgear D6400: before 1.0.0.100 — fixed in 1.0.0.100
- NETGEAR D7000V2 Firmware: before 1.0.0.66 — fixed in 1.0.0.66
- NETGEAR D8500 Firmware: before 1.0.3.58 — fixed in 1.0.3.58
- NETGEAR Dc112A Firmware: before 1.0.0.52 — fixed in 1.0.0.52
- NETGEAR Dgn2200V4 Firmware: before 1.0.0.118 — fixed in 1.0.0.118
- NETGEAR Eax80 Firmware: before 1.0.1.64 — fixed in 1.0.1.64
- NETGEAR R6250 Firmware: before 1.0.4.48 — fixed in 1.0.4.48
- NETGEAR R6400V2 Firmware: before 1.0.4.106 — fixed in 1.0.4.106
- NETGEAR R6700V3 Firmware: before 1.0.4.106 — fixed in 1.0.4.106
- NETGEAR R6900P Firmware: before 1.3.2.132 — fixed in 1.3.2.132
- NETGEAR R7000: before 1.0.11.110 — fixed in 1.0.11.110
- NETGEAR R7000P: before 1.3.2.132 — fixed in 1.3.2.132
- NETGEAR R7100Lg Firmware: before 1.0.0.72 — fixed in 1.0.0.72
- NETGEAR R7900 Firmware: before 1.0.4.30 — fixed in 1.0.4.30
- NETGEAR R7900P Firmware: before 1.4.1.64 — fixed in 1.4.1.64
- NETGEAR R7960P Firmware: before 1.4.1.64 — fixed in 1.4.1.64
- NETGEAR R8000 Firmware: before 1.0.4.62 — fixed in 1.0.4.62
- NETGEAR R8000P Firmware: before 1.4.1.64 — fixed in 1.4.1.64
- NETGEAR Rax15 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
- NETGEAR Rax200 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
- NETGEAR Rax20 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
- NETGEAR Rax45 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
- NETGEAR Rax50 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
- 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
- NETGEAR Rs400 Firmware: before 1.5.1.80 — fixed in 1.5.1.80
- NETGEAR Xr300 Firmware: before 1.0.3.68 — fixed in 1.0.3.68
How to fix
Upgrade to a fixed version: NETGEAR D6220 Firmware 1.0.0.66; Netgear D6400 1.0.0.100; NETGEAR D7000V2 Firmware 1.0.0.66; NETGEAR D8500 Firmware 1.0.3.58; NETGEAR Dc112A Firmware 1.0.0.52; NETGEAR Dgn2200V4 Firmware 1.0.0.118; NETGEAR Eax80 Firmware 1.0.1.64; NETGEAR R6250 Firmware 1.0.4.48; NETGEAR R6400V2 Firmware 1.0.4.106; NETGEAR R6700V3 Firmware 1.0.4.106; NETGEAR R6900P Firmware 1.3.2.132; NETGEAR R7000 1.0.11.110. Check the vendor advisory for mitigations.
References
- https://kb.netgear.com/000064487/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0322
- https://kb.netgear.com/000064487/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0322
Get alerted when CVE-2021-45610 or the next vulnerability affects your stack