Certain NETGEAR devices are affected by authentication bypass.
Priority LOW 39CWE-287Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-287.
Summary
Certain NETGEAR devices are affected by authentication bypass. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.
Why it matters now
EPSS 0.00758 55th 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:wac505_firmware:*:*:*:*:*:*:*:* | before 5.0.0.17 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wac505:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:wac510_firmware:*:*:*:*:*:*:*:* | before 5.0.0.17 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wac510:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:wac505_firmware:*:*:*:*:*:*:*:* Versions before 5.0.0.17 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wac505:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:wac510_firmware:*:*:*:*:*:*:*:* Versions before 5.0.0.17 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wac510:-:*:*:*:*:*:*:* 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-2018-21128
- 2026-10-03 Alias added: GHSA-jgwh-rghq-wr66
References
More NETGEAR Wac505 Firmware vulnerabilities
- TI-2018-15095 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1CRITICAL 9.8
- TI-2018-15094 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
- TI-2018-15059 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1CRITICAL 9.8
- TI-2018-15093 Certain NETGEAR devices are affected by unauthenticated firmware downgrade. CVSS 3.1CRITICAL 9.1
- TI-2018-15092 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1HIGH 8.8
- TI-2018-15089 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1HIGH 8.8
Sources
- CVE-2018-21128 · CVE Program
- CVE-2018-21128 · NVD
- FIRST EPSS
- GHSA-jgwh-rghq-wr66 · 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