CVE-2026-9427CWE-119CWE-121

Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow

High · published May 25, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
56.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
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
EPSS
0.00805 · 56.4th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-05-25T04:45Z
EPSS history
Timeline
  • 25 MAY 04:45Z
    Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow
    cvelistv5