CVE Tools

D6400 Firmware

52 CVEs tracked. 2 of them are in CISA KEV.

This hub aggregates every CVE we track for D6400 Firmware, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

D6400 Firmware CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
D6400 Firmware CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-071
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 52 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical815%
  • High1631%
  • Medium2650%
  • Low24%

Latest CVEs

The 15 most recently published vulnerabilities affecting D6400 Firmware.

  1. CVE-2025-7407Netgear D6400 diag.cgi os command injection6.3
  2. CVE-2021-34983NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability6.5
  3. CVE-2021-34982NETGEAR Multiple Routers httpd Stack-based Buffer Overflow Remote Code Execution Vulnerability8.8
  4. CVE-2022-27643This 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...8.8
  5. CVE-2021-45527Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112...9.6
  6. CVE-2021-45550Certain 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 be...6.6
  7. CVE-2021-45604Certain 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 1.0....4.5
  8. CVE-2021-45610Certain 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,...9.6
  9. CVE-2021-45638Certain 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 befo...9.6
  10. CVE-2021-45640Certain 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...3.9
  11. CVE-2021-45641Certain 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...4.6
  12. CVE-2021-34991This 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...8.8
  13. CVE-2021-38516Certain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D7000v2 before 1.0.0.52, D7800 before 1.0.1.44, D850...10.0
  14. CVE-2021-38534Certain NETGEAR devices are affected by stored XSS. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6100 before 1.0.0.60, D6200 before 1.1.00.36, D6220 before 1.0.0.52, D6400 before 1.0...4.1
  15. CVE-2021-38514Certain NETGEAR devices are affected by authentication bypass. This affects D3600 before 1.0.0.72, D6000 before 1.0.0.72, D6100 before 1.0.0.63, D6200 before 1.1.00.34, D6220 before 1.0.0.48, D6400...2.4

Product grouping is registry-driven, with AI assist and human review. How it works

We use analytics cookies to see which pages and articles actually help people. Decline and none of them run — the site works the same. What we store