CVE-2026-9427
Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow
- State
- Published
- Severity
- 8.7 High
- Published
- May 25, 2026
- Updated
- May 26, 2026
- Reserved
- May 24, 2026
Description
A flaw has been found in Edimax EW-7438RPn 1.31. This impacts the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component webs. This manipulation of the argument selSSID/submit-url causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
EW-7438RPnEdimax |
|
References
- VDB-365408 | Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflowvdb-entrytechnical-description
- VDB-365408 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #813895 | Edimax EW-7438RPn 1.31 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_11/11.mdexploit
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