Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.
Priority LOW 35CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX35 before 1.0.3.94, RAX38 before 1.0.3.94, and RAX40 before 1.0.3.94.
Why it matters now
EPSS 0.01019 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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:rax35_firmware:*:*:*:*:*:*:*:* | before 1.0.3.94 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax35:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax38_firmware:*:*:*:*:*:*:*:* | before 1.0.3.94 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax38:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax40_firmware:*:*:*:*:*:*:*:* | before 1.0.3.94 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:rax35_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.94 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax35:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax38_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.94 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax38:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax40_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.94 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax40:-:*:*:*:*:*:*:* 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-2021-38526
- 2026-10-03 Alias added: GHSA-w6cx-mcrx-5955
References
More NETGEAR Rax35 Firmware vulnerabilities
- TI-2022-23849 Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2020-18244 Certain NETGEAR devices are affected by incorrect configuration of security settings. CVSS 3.1CRITICAL 9.4
- TI-2022-10626 Missing authentication in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
- TI-2023-12093 SQL injection in NETGEAR RAX30 CVSS 3.1HIGH 8.8
- TI-2022-10628 OS command injection in NETGEAR R6700v3 CVSS 3.1HIGH 8.0
- TI-2022-10623 Incorrect authorization in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
Sources
- CVE-2021-38526 · CVE Program
- CVE-2021-38526 · NVD
- FIRST EPSS
- GHSA-w6cx-mcrx-5955 · 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