Certain NETGEAR devices are affected by a stack-based buffer overflow by an…
Priority LOW 39CWE-787Published · 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 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6020 before 1.0.0.30, R6080 before 1.0.0.30, R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.
Why it matters now
EPSS 0.00788 56th 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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:* | before 1.0.0.30 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6020:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* | before 1.1.0.42 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6700:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
| cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* | before 1.1.0.42 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:* | before 1.1.0.42 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6900:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
| cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:* | before 1.0.0.30 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6080:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.30 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6020:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.42 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6700:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
- cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.42 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.42 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6900:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
- cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.30 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6080:-:*:*:*:*:*:*:* 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-2017-18726
- 2026-10-03 Alias added: GHSA-9qp8-gr86-ccr3
References
More NETGEAR R6020 Firmware vulnerabilities
- TI-2020-16934 Authentication bypass in NETGEAR Multiple Routers CVSS 3.1HIGH 8.8
- TI-2021-20588 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
- TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
- TI-2020-16335 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
- TI-2020-18243 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1CRITICAL 9.8
- TI-2020-16354 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2017-18726 · CVE Program
- CVE-2017-18726 · NVD
- FIRST EPSS
- GHSA-9qp8-gr86-ccr3 · 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