CVE-2018-21099
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
- Record
CVE-2018-21099- CVSS 3.0
- 7.6 High
CVSS:3.0/AC:L/AV:A/A:H/C:L/I:H/PR:L/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2018-13617
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
- Record
EUVD-2018-13617- CVSS 3.0
- 7.6 High
CVSS:3.0/AC:L/AV:A/A:H/C:L/I:H/PR:L/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mcfj-rg6h-5wcf No score
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
- Record
GHSA-mcfj-rg6h-5wcf- Updated
- 2026-11-02
NVD
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
- Record
CVE-2018-21099- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.6 High
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H - CVSS 2.0
- 5.2 Medium
AV:A/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-21099 is a high vulnerability (CVSS 7.6) in Netgear R7800 Firmware, published April 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 63rd percentile. No source names a fixed version.