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 EX2700 before 1.0.1.28, R7800 before 1.0.2.40, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.
Why it matters now
EPSS 0.00725 54th 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:r7800_firmware:*:*:*:*:*:*:*:* | before 1.0.2.40 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:* | before 1.0.1.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:wn2000rpt_firmware:*:*:*:*:*:*:*:* | before 1.0.1.20 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wn2000rpt:v3:*:*:*:*:*:*:* | v3 | Running on | NETGEAR |
| cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:* | before 1.0.2.50 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wn3000rp:v3:*:*:*:*:*:*:* | v3 | Running on | NETGEAR |
| cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:* | before 1.0.0.56 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wn3100rp:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
- cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.40 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:wn2000rpt_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.20 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wn2000rpt:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
- cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.50 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wn3000rp:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
- cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.56 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wn3100rp:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-21170
- 2026-10-03 Alias added: GHSA-9m33-62jp-gj6h
References
More NETGEAR Ex2700 Firmware vulnerabilities
- TI-2018-15115 Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2021-20745 Certain NETGEAR devices are affected by server-side injection. 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-2020-18243 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1CRITICAL 9.8
- TI-2021-13937 Out-of-bounds write in NETGEAR R7800 CVSS 3.0HIGH 8.8
- TI-2021-20635 Certain NETGEAR devices are affected by command injection by an authenticated user. CVSS 3.1HIGH 8.8
Sources
- CVE-2018-21170 · CVE Program
- CVE-2018-21170 · NVD
- FIRST EPSS
- GHSA-9m33-62jp-gj6h · GitHub Advisory Database · CC BY 4.0
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