Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
Priority MEDIUM 41CWE-74Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects WC7500 before 6.5.3.9, WC7520 before 6.5.3.9, WC7600v1 before 6.5.3.9, and WC7600v2 before 6.5.3.9.
Why it matters now
EPSS 0.01487 74th 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:wc7500_firmware:*:*:*:*:*:*:*:* | before 6.5.3.9 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wc7500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:wc7520_firmware:*:*:*:*:*:*:*:* | before 6.5.3.9 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wc7520:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:wc7600_firmware:*:*:*:*:*:*:*:* | before 6.5.3.9 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:wc7600:v1:*:*:*:*:*:*:* | v1 | Running on | NETGEAR |
| cpe:2.3:h:netgear:wc7600:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
- cpe:2.3:o:netgear:wc7500_firmware:*:*:*:*:*:*:*:* Versions before 6.5.3.9 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wc7500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:wc7520_firmware:*:*:*:*:*:*:*:* Versions before 6.5.3.9 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wc7520:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:wc7600_firmware:*:*:*:*:*:*:*:* Versions before 6.5.3.9 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:wc7600:v1:*:*:*:*:*:*:* Versions v1 Running on ·NETGEAR
- cpe:2.3:h:netgear:wc7600:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-21123
- 2026-10-03 Alias added: GHSA-jc85-96x7-c99v
References
More NETGEAR Wc7500 Firmware vulnerabilities
- TI-2018-07888 Command injection in NETGEAR WC7500 CVSS 3.1CRITICAL 9.8
- TI-2020-16349 Certain NETGEAR devices are affected by command injection by an authenticated user. CVSS 3.1MEDIUM 6.7
- TI-2020-16358 Certain NETGEAR devices are affected by disclosure of sensitive information. CVSS 3.1MEDIUM 6.5
- TI-2020-16350 Certain NETGEAR devices are affected by stored XSS. CVSS 3.1MEDIUM 4.8
Sources
- CVE-2018-21123 · CVE Program
- CVE-2018-21123 · NVD
- FIRST EPSS
- GHSA-jc85-96x7-c99v · GitHub Advisory Database · CC BY 4.0
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