NETGEAR d6400 Firmware vulnerabilities

52 CVEs affecting NETGEAR d6400 Firmware, 2 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-7407, published 2025-07-10.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2016-6277: NETGEAR Multiple Routers Remote Code Execution Vulnerability, published 2016-12-14. High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-03-07. EPSS: 99.8% chance of exploitation in the next 30 days. NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before 1.0.1.14.Beta, R6900, R7000 before 1.0.7.6.Beta, R7100LG before 1.0.0.28.Beta, R7300DST before 1.0.0.46.Beta, R7900 before…
CVE-2017-5521: NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability, published 2017-01-17. High severity, CVSS 8.1. Actively exploited: in CISA KEV since 2022-09-08. EPSS: 89.2% chance of exploitation in the next 30 days. An issue was discovered on NETGEAR R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2, WNDR3400v3, WNR3500Lv2, R6250, R6700, R6900, and R8000 devices. They are prone to password disclosure via…
CVE-2022-27643, published 2023-03-29. High severity, CVSS 8.8. EPSS: 25.2% chance of exploitation in the next 30 days. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this…
CVE-2025-7407, published 2025-07-10. High severity, CVSS 8.8. EPSS: 12.1% chance of exploitation in the next 30 days. A vulnerability, which was classified as critical, was found in Netgear D6400 1.0.0.114. This affects an unknown part of the file diag.cgi. The manipulation of the argument host_name leads to os…
CVE-2021-34991, published 2021-11-15. High severity, CVSS 8.8. EPSS: 5.7% chance of exploitation in the next 30 days. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this…
CVE-2018-21162, published 2020-04-23. Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6400 before 1.0.0.78, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.8,…
CVE-2020-35800, published 2020-12-30. Critical severity, CVSS 9.4. EPSS: 1.6% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects AC2100 before 1.2.0.72, AC2400 before 1.2.0.72, AC2600 before 1.2.0.72, CBK40 before 2.5.0.10, CBR40…
CVE-2020-11770, published 2020-04-15. High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7000v2 before 1.0.0.53, D8500 before 1.0.3.44, R6220…
CVE-2021-45638, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before…
CVE-2021-45610, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days. 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,…

Latest

CVE-2021-34983, published 2024-05-07. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive…
CVE-2021-34982, published 2024-05-07. High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days. NETGEAR Multiple Routers httpd Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected…
CVE-2021-45641, published 2021-12-26. High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D3600 before 1.0.0.72, D6000 before 1.0.0.72, D6200 before 1.1.00.34, D6220 before 1.0.0.52, D6400…
CVE-2021-45640, published 2021-12-26. High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D3600 before 1.0.0.72, D6000 before 1.0.0.72, D6200 before 1.1.00.34, D6220 before 1.0.0.52, D6400…
CVE-2021-45604, published 2021-12-26. Medium severity, CVSS 4.5. EPSS: 0.4% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects CBR750 before 3.2.18.2, D6220 before 1.0.0.68, D6400 before 1.0.0.102, D8500 before…
CVE-2021-45550, published 2021-12-26. Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400…