CVE-2026-9459
Edimax EW-7438RPn formConnectionSetting stack-based overflow
- State
- Published
- Severity
- 8.7 High
- Published
- May 25, 2026
- Updated
- May 26, 2026
- Reserved
- May 24, 2026
Description
A security flaw has been discovered in Edimax EW-7438RPn 1.31. This affects the function formConnectionSetting of the file /goform/formConnectionSetting. Performing a manipulation of the argument max_Conn/timeOut results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. 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-365440 | Edimax EW-7438RPn formConnectionSetting stack-based overflowvdb-entrytechnical-description
- VDB-365440 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #813896 | Edimax EW-7438RPn 1.31 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_12/12.mdexploit
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