CVE-2026-9399CWE-119CWE-120

Edimax BR-6675nD POST Request formsetPPPoE buffer overflow

High · published May 24, 2026

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

A vulnerability was detected in Edimax BR-6675nD 1.12. This vulnerability affects the function formsetPPPoE of the file /goform/formsetPPPoE of the component POST Request Handler. Performing a manipulation of the argument pppUserName results in buffer overflow. It is possible to initiate 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-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-05-24T21:00Z
EPSS history
Timeline
  • 24 MAY 21:00Z
    Edimax BR-6675nD POST Request formsetPPPoE buffer overflow
    cvelistv5