CVE-2026-19961
Edimax EW-7478APC formWlSiteSurvey buffer overflow
- State
- Published
- Severity
- 9.4 Critical
- Published
- Aug 16, 2026
- Updated
- Aug 17, 2026
- Reserved
- Aug 16, 2026
Description
A vulnerability was detected in Edimax EW-7478APC 1.04. Affected is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey. Performing a manipulation of the argument selSSID 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P | VulDB |
| 3.1 | 9.9 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 9.9 Critical | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/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-7478APCEdimax |
|
References
- VDB-391138 | Edimax EW-7478APC formWlSiteSurvey buffer overflowvdb-entrytechnical-description
- VDB-391138 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-19961 | CVE Analysis and Reportthird-party-advisory
- Submit #872875 | EDIMAX EW-7478APC EW-7478APC 1.04 Buffer Overflowthird-party-advisory
- https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formWlSiteSurvey-34b53a41781f804fb328d87416095401?source=copy_linkexploit
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