Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.
Priority MEDIUM 45CWE-120Published · Updated
Key facts
- Attack vector
- 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 · 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 DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and RAX80 before 1.0.3.106.
Why it matters now
EPSS 0.01238 69th 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 · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:* | before 1.0.0.52 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* | before 1.0.1.68 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:* | before 1.0.2.144 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:* | before 1.0.2.144 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:wndr3400v3_firmware:*:*:*:*:*:*:*:* | before 1.0.1.38 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wndr3400v3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.52 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.68 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.144 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.144 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:wndr3400v3_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.38 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wndr3400v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:* | before 1.0.3.68 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:* | before 1.0.3.106 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:* | before 1.0.3.106 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:* | before 1.0.3.106 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.68 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.106 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.106 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.106 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:* 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-2021-45611
- 2026-10-03 Alias added: GHSA-5m6r-6p2x-4hr9
References
More NETGEAR Dc112a Firmware vulnerabilities
- TI-2023-20186 Netgear DC112A 1.0.0.64, EX6200 1.0.3.94 and R6300v2 1.0.4.8 were discovered to contain a… CVSS 3.1HIGH 8.8
- TI-2025-20748 Netgear DC112A V1.0.0.64 has an OS command injection vulnerability in the usb_adv.cgi… CVSS 3.1CRITICAL 9.8
- TI-2022-10624 Buffer overflow in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
- TI-2021-13978 Stack-based buffer overflow in NETGEAR R6400v2 CVSS 3.1HIGH 8.8
- TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
- TI-2021-20725 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-45611 · CVE Program
- CVE-2021-45611 · NVD
- FIRST EPSS
- GHSA-5m6r-6p2x-4hr9 · GitHub Advisory Database · CC BY 4.0
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