CVE-2026-9294CWE-119CWE-120

Edimax BR-6428NS POST Request formWanTcpipSetup buffer overflow

High · published May 23, 2026

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

A vulnerability was identified in Edimax BR-6428NS 1.10. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might 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-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-05-23T07:30Z
EPSS history
Timeline
  • 23 MAY 07:30Z
    Edimax BR-6428NS POST Request formWanTcpipSetup buffer overflow
    cvelistv5