CVE-2026-13563CWE-119CWE-121

Edimax EW-7478APC POST Request formL2TPSetup stack-based overflow

High · published June 29, 2026

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

A vulnerability has been found in Edimax EW-7478APC 1.04. This impacts the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. Such manipulation of the argument L2TPUserName leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the 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
2026-06-29T11:30Z
EPSS history
Timeline
  • 29 JUN 11:30Z
    Edimax EW-7478APC POST Request formL2TPSetup stack-based overflow
    cvelistv5