CVE-2026-8775

HIGH 8.8

Edimax BR-6428NS POST Request formL2TPSetup buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

13th

A flaw has been found in Edimax BR-6428NS 1.10. This affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. This manipulation of the argument L2TPUserName causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published 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-6428ns
Published	May 18, 2026
Last Updated	May 18, 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-6428NS

1.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/364400 vuldb.com: https://vuldb.com/vuln/364400/cti vuldb.com: https://vuldb.com/submit/811530 lavender-bicycle-a5a.notion.site: https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formL2TPSetup-34b53a41781f8046b38bffcc190c5277?source=copy_link

Credits

🔍 wxhwxhwxh_tutu (VulDB User) VulDB CNA Team