What’s Vulnerable › Vulnerabilities
CVE-2021-45512
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% 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-327
Description
Certain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX7000 before 1.0.1.90, R6250 before 1.0.4.42, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6900P before 1.3.2.124, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7900 before 1.0.4.26, R8000 before 1.0.4.58, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RS400 before 1.5.0.48, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.
Affected products
- NETGEAR D7000 Firmware: before 1.0.0.62 — fixed in 1.0.0.62
- NETGEAR D8500 Firmware: before 1.0.3.50 — fixed in 1.0.3.50
- NETGEAR EX3700: before 1.0.0.84 — fixed in 1.0.0.84
- NETGEAR Ex3800 Firmware: before 1.0.0.84 — fixed in 1.0.0.84
- NETGEAR EX6120: before 1.0.0.54 — fixed in 1.0.0.54
- NETGEAR Ex6130 Firmware: before 1.0.0.36 — fixed in 1.0.0.36
- NETGEAR Ex7000 Firmware: before 1.0.1.90 — fixed in 1.0.1.90
- NETGEAR R6250 Firmware: before 1.0.4.42 — fixed in 1.0.4.42
- NETGEAR R6400 Firmware: before 1.0.4.98 — fixed in 1.0.4.98
- NETGEAR R6700: before 1.0.4.98 — fixed in 1.0.4.98
- NETGEAR R6900P Firmware: before 1.3.2.124 — fixed in 1.3.2.124
- NETGEAR R7000: before 1.0.11.106 — fixed in 1.0.11.106
- NETGEAR R7000P: before 1.3.2.124 — fixed in 1.3.2.124
- NETGEAR R7100Lg Firmware: before 1.0.0.56 — fixed in 1.0.0.56
- NETGEAR R7900 Firmware: before 1.0.4.26 — fixed in 1.0.4.26
- NETGEAR R8000 Firmware: before 1.0.4.58 — fixed in 1.0.4.58
- NETGEAR R8300 Firmware: before 1.0.2.134 — fixed in 1.0.2.134
- NETGEAR R8500 Firmware: before 1.0.2.134 — fixed in 1.0.2.134
- NETGEAR Rs400 Firmware: before 1.5.0.48 — fixed in 1.5.0.48
- NETGEAR Wnr3500L Firmware: before 1.2.0.62 — fixed in 1.2.0.62
- NETGEAR Xr300 Firmware: before 1.0.3.50 — fixed in 1.0.3.50
How to fix
Upgrade to a fixed version: NETGEAR D7000 Firmware 1.0.0.62; NETGEAR D8500 Firmware 1.0.3.50; NETGEAR EX3700 1.0.0.84; NETGEAR Ex3800 Firmware 1.0.0.84; NETGEAR EX6120 1.0.0.54; NETGEAR Ex6130 Firmware 1.0.0.36; NETGEAR Ex7000 Firmware 1.0.1.90; NETGEAR R6250 Firmware 1.0.4.42; NETGEAR R6400 Firmware 1.0.4.98; NETGEAR R6700 1.0.4.98; NETGEAR R6900P Firmware 1.3.2.124; NETGEAR R7000 1.0.11.106. Check the vendor advisory for mitigations.
References
- https://kb.netgear.com/000064117/Security-Advisory-for-Broken-Cryptography-on-Some-Routers-and-Extenders-PSV-2020-0134
- https://kb.netgear.com/000064117/Security-Advisory-for-Broken-Cryptography-on-Some-Routers-and-Extenders-PSV-2020-0134
Get alerted when CVE-2021-45512 or the next vulnerability affects your stack