CVE-2026-9399

Edimax BR-6675nD POST Request formsetPPPoE buffer overflow

HIGH
8.8
CVSS Score
Published: May 24, 2026 at 09:00 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorBR-6675nD

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/365380
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/365380/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/811561

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-120CWE-119

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