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CVE-2026-9399

Edimax BR-6675nD POST Request formsetPPPoE buffer overflow

Published: May 24, 2026Updated: May 26, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.6%
Top 56.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119CWE-120

Affected Products

Edimax BR-6675nDEDIMAX Technology Co., Ltd.
Embedded
Networking Infrastructure / router-switch
BR-6675nDEdimaxNetworking Infrastructure
edimax technology co., ltd.commercialNetworking Infrastructureaka edimax br-6476ac, edimax gs-5008pl, re11s
edimaxcommercialTWNetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formsetPPPoE-34b53a41781f8025abcded9e7d0734ef?source=copy_link
lavender-bicycle-a5a.notion.site
https://vuldb.com/submit/811561
vuldb.com
https://vuldb.com/vuln/365380
vuldb.com
and 4 more references View all →

Timeline

Published
May 24, 2026
Last Updated
May 26, 2026

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