CVE-2026-9399

HIGH 8.8

Edimax BR-6675nD POST Request formsetPPPoE buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

13th

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.

CWE	CWE-120 CWE-119
Vendor	edimax
Product	br-6675nd
Published	May 24, 2026
Last Updated	May 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Edimax / BR-6675nD

1.12

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365380 vuldb.com: https://vuldb.com/vuln/365380/cti vuldb.com: https://vuldb.com/submit/811561 lavender-bicycle-a5a.notion.site: https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formsetPPPoE-34b53a41781f8025abcded9e7d0734ef?source=copy_link

Credits

🔍 yhryhryhr_tu (VulDB User) VulDB CNA Team