Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
Priority MEDIUM 43CWE-77Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.
Why it matters now
EPSS 0.01026 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:* | before 2.5.0.24 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:* | before 4.6.3.6 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* | before 3.2.17.12 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* | before 3.2.17.12 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* | before 3.2.17.12 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:* Versions before 2.5.0.24 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:* Versions before 4.6.3.6 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* | before 3.2.17.12 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* | before 3.2.17.12 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* | before 3.2.17.12 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* Versions before 3.2.17.12 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-45631
- 2026-10-03 Alias added: GHSA-p54g-ppx4-2gr7
References
More NETGEAR Cbr40 Firmware vulnerabilities
- TI-2024-18843 An information leak in the currentsetting.htm component of Netgear CBR40 2.5.0.28… CVSS 3.1HIGH 7.5
- TI-2024-18842 An information leak in the debuginfo.htm component of Netgear CBR40 2.5.0.28, Netgear… CVSS 3.1MEDIUM 5.4
- TI-2023-18149 Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote… CVSS 3.1CRITICAL 9.8
- TI-2021-20709 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2021-20699 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2021-20717 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 10.0
Sources
- CVE-2021-45631 · CVE Program
- CVE-2021-45631 · NVD
- FIRST EPSS
- GHSA-p54g-ppx4-2gr7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences