CVE-2021-45594 json
Certain NETGEAR devices are affected by command injection by an authenticated user.
published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32360
- cvss
- 8.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBS50Y before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.
Patch / fix
- netgear rbr20_firmware 2.7.3.22
- netgear rbr40_firmware 2.7.3.22
- netgear rbr50_firmware 2.7.3.22
- netgear rbs20_firmware 2.7.3.22
- netgear rbs40_firmware 2.7.3.22
- netgear rbs50_firmware 2.7.3.22
- netgear rbk20_firmware 2.7.3.22
- netgear rbk40_firmware 2.7.3.22
- netgear rbk50_firmware 2.7.3.22
- netgear rbs50y_firmware 2.7.3.22
Exploit prediction
0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.4 | CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N |
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.2 | AV:A/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
Sources
- CVE List CVE-2021-45594
- NVD CVE-2021-45594
Fencer Vulns 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.