CVE-2026-19961CWE-119CWE-120

CVE-2026-19961

Critical · published August 17, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
56.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · 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
EPSS
0.00805 · 56.3th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-08-17T03:16Z
References (5)
https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formWlSiteSurvey-34b53a41781f804fb328d87416095401?source=copy_link · [email protected]https://vuldb.com/cve/CVE-2026-19961 · [email protected]https://vuldb.com/submit/872875 · [email protected]https://vuldb.com/vuln/391138 · [email protected]https://vuldb.com/vuln/391138/cti · [email protected]
EPSS history
Timeline
  • 16 AUG 23:00Z
    Edimax EW-7478APC formWlSiteSurvey buffer overflow
    cvelistv5