CVE-2026-9480CWE-119CWE-121

Edimax EW-7438RPn formrefresh stack-based overflow

High · published May 25, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
56.3
In the wild
Unconfirmed
What it is

A vulnerability was detected in Edimax EW-7438RPn 1.31. The impacted element is the function formrefresh of the file /goform/formrefresh. The manipulation of the argument submit-url results in stack-based buffer overflow. It is possible to launch the attack 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 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 · 56.3th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-05-25T18:00Z
EPSS history
Timeline
  • 25 MAY 18:00Z
    Edimax EW-7438RPn formrefresh stack-based overflow
    cvelistv5