CVE-2026-9399 | THREATINT

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.

PUBLISHED Reserved 2026-05-24 | Published 2026-05-24 | Updated 2026-05-26 | Assigner VulDB

HIGH: 8.7CVSS: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

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

1.12

affected

Timeline

2026-05-24:	Advisory disclosed
2026-05-24:	VulDB entry created
2026-05-24:	VulDB entry last update

Credits

yhryhryhr_tu (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365380 (VDB-365380 | Edimax BR-6675nD POST Request formsetPPPoE buffer overflow) vdb-entry technical-description

vuldb.com/vuln/365380/cti (VDB-365380 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/811561 (Submit #811561 | EDIMAX BR-6675nD BR-6675nD v1.12 Buffer Overflow) third-party-advisory

lavender-bicycle-a5a.notion.site/...d0734ef?source=copy_link exploit

cve.org (CVE-2026-9399)

nvd.nist.gov (CVE-2026-9399)

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