CVE-2026-19961

CRITICAL 9.9

Edimax EW-7478APC formWlSiteSurvey buffer overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	edimax
Product	ew-7478apc
Published	Aug 16, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Edimax / EW-7478APC

1.04

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/391138 vuldb.com: https://vuldb.com/vuln/391138/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19961 vuldb.com: https://vuldb.com/submit/872875 lavender-bicycle-a5a.notion.site: https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formWlSiteSurvey-34b53a41781f804fb328d87416095401?source=copy_link

Credits

🔍 wxhwxhwxh_mie (VulDB User) VulDB CNA Team