CVE-2018-21227
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, R6400v2 before…
- 6.8MediumCVSS base score
- 0.85%Exploitation in 30 daysEPSS · top 41% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, R6400v2 before 1.0.2.34, R6700 before 1.0.1.30, R6900 before 1.0.1.30, R6900P before 1.0.0.62, R7000 before 1.0.9.12, R7000P before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R9000 before 1.0.3.10, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
Timeline
ID reserved
By mitre
- 4 days later
· 4 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.0 | Medium6.8 | CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N |
| NVDNVD · Modified | 3.1 | Medium6.8 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.85% · top 41% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
n/a
- affected n/a
References
References1
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-13745 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-21227)Record last updated .