CVE-2018-21140
Certain NETGEAR devices are affected by incorrect configuration of security settings. This...
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D3600 before 1.0.0.76 and D6000 before 1.0.0.76.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- 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 incorrect configuration of security settings. This affects D3600 before 1.0.0.76 and D6000 before 1.0.0.76.
- Record
CVE-2018-21140- CVSS 3.0
- 8.8 High
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2018-13658
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D3600 before 1.0.0.76 and D6000 before 1.0.0.76.
- Record
EUVD-2018-13658- CVSS 3.0
- 8.8 High
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h97v-5798-x5c6 No score
Certain NETGEAR devices are affected by incorrect configuration of security settings. This...
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D3600 before 1.0.0.76 and D6000 before 1.0.0.76.
- Record
GHSA-h97v-5798-x5c6- Updated
- 2026-11-02
NVD
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D3600 before 1.0.0.76 and D6000 before 1.0.0.76.
- Record
CVE-2018-21140- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- 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-2018-21140 is a high vulnerability (CVSS 8.8) in Netgear D3600 Firmware, published April 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.