CVE-2017-18777
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220...
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.
- Record
CVE-2017-18777- CVSS 3.0
- 8.4 High
CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2017-9868
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.
- Record
EUVD-2017-9868- CVSS 3.0
- 8.4 High
CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qx7p-pcrw-fhh5 No score
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220...
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.
- Record
GHSA-qx7p-pcrw-fhh5- Updated
- 2026-11-02
NVD
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.
- Record
CVE-2017-18777- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.4 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-18777 is a high vulnerability (CVSS 8.4) in Netgear D6220 Firmware, published April 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 21st percentile. No source names a fixed version.