CVE-2021-45597
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects...
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS850 before 3.2.17.12.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- 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 command injection by an authenticated user. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS850 before 3.2.17.12.
- Record
CVE-2021-45597- CVSS 3.1
- 8.4 High
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-32363
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS850 before 3.2.17.12.
- Record
EUVD-2021-32363- CVSS 3.1
- 8.4 High
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x844-f6px-v43p No score
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects...
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS850 before 3.2.17.12.
- Record
GHSA-x844-f6px-v43p- Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBS850 before 3.2.17.12.
- Record
CVE-2021-45597- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-77
- 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-2021-45597 is a high vulnerability (CVSS 8.4) in Netgear Cbr40 Firmware, published December 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. No source names a fixed version.