CVE-2018-21113 json
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
published 2020-04-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13631
- cvss
- 8.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.42, R6100 before 1.0.1.28, R7500 before 1.0.0.130, R7500v2 before 1.0.3.36, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, and WNDR4500v3 before 1.0.0.56.
Patch / fix
- netgear d6100_firmware 1.0.0.58
- netgear d7800_firmware 1.0.1.42
- netgear r6100_firmware 1.0.1.28
- netgear r7500_firmware 1.0.0.130, 1.0.3.36
- netgear r7800_firmware 1.0.2.52
- netgear r8900_firmware 1.0.4.12
- netgear r9000_firmware 1.0.4.12
- netgear wndr3700_firmware 1.0.2.102
- netgear wndr4300_firmware 1.0.0.56, 1.0.2.104
- netgear wndr4500_firmware 1.0.0.56
Exploit prediction
1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.8 | CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 8.8 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.8 | AV:A/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
Sources
- CVE List CVE-2018-21113
- NVD CVE-2018-21113
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.