D6400 Firmware
by Netgear
Standard maintenance is sufficient
D6400 Firmware has low exploitation rates. Attackers rarely target this software's known vulnerabilities.
What to do
- Keep automatic updates enabled
- No urgent action needed
- Review periodically as part of normal maintenance
What Attackers Target
Vulnerabilities with high exploit probability
3.8%
Confirmed actively exploited (CISA)
3.8%
Public exploit code available
3.8%
Based on 52 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2016-6277 | 8.8 | 94.3% | Yes |
| CVE-2017-5521 | 8.1 | 93.8% | Yes |
| CVE-2021-34982 | 8.8 | 5.6% | — |
| CVE-2021-27239 | 8.8 | 2.6% | — |
| CVE-2020-35800 | 9.4 | 1.5% | — |
| CVE-2020-35796 | 8.8 | 1.4% | — |
| CVE-2025-7407 | 6.3 | 1.3% | — |
| CVE-2022-27643 | 8.8 | 1.2% | — |
| CVE-2021-45527 | 9.6 | 1.2% | — |
| CVE-2020-11770 | 8.8 | 1.1% | — |
| CVE-2021-45640 | 3.9 | 0.6% | — |
| CVE-2021-38516 | 10.0 | 0.5% | — |
| CVE-2018-21134 | 9.8 | 0.5% | — |
| CVE-2017-18700 | 6.1 | 0.4% | — |
| CVE-2019-20730 | 9.8 | 0.4% | — |
| CVE-2018-21162 | 9.8 | 0.4% | — |
| CVE-2021-45641 | 4.6 | 0.4% | — |
| CVE-2021-45638 | 9.6 | 0.4% | — |
| CVE-2019-20700 | 6.7 | 0.3% | — |
| CVE-2019-20753 | 8.8 | 0.3% | — |
5
/ 100
low-risk
Active Threat
2/50 · Minimal
Exploit Availability
3/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.