Edimax EW-7438RPn webs formWizSurvey buffer overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A vulnerability was detected in Edimax EW-7438RPn up to 1.31. This affects the function formWizSurvey of the file /goform/formWizSurvey of the component webs. Performing a manipulation of the argument ssid/manualssid/ip/mask/gateway results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Edimax | EW-7438RPn | 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22; 1.23; 1.24; 1.25; 1.26; 1.27; 1.28; 1.29; 1.30; 1.31 | — | No fix listed | CNA |
- EW-7438RPn VendorEdimax Affected 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22; 1.23; 1.24; 1.25; 1.26; 1.27; 1.28; 1.29; 1.30; 1.31 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9345
- 2026-10-03 Alias added: GHSA-r23w-53vr-mr47
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More Edimax vulnerabilities
- TI-2025-01129 Edimax IC-7100 IP Camera OS Command Injection KEVCVSS 4.0CRITICAL 9.3
- TI-2026-85269 Edimax BR-6208AC mp command injection CVSS 4.0CRITICAL 10.0
- TI-2026-71231 Command injection in Edimax BR-6208AC via formWlanMP CVSS 4.0CRITICAL 10.0
- TI-2026-71230 Command injection in Edimax BR-6208AC via tftpsIP argument CVSS 4.0CRITICAL 10.0
- TI-2025-28873 EDIMAX CV7428NS v1.20 was discovered to contain a remote code execution (RCE)… CVSS 3.1CRITICAL 9.8
- TI-2025-20734 Edimax AC1200 Wave 2 Dual-Band Gigabit Router BR-6478AC V3 1.0.15 was discovered to… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-9345 · CVE Program
- CVE-2026-9345 · NVD
- FIRST EPSS
- GHSA-r23w-53vr-mr47 · 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