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.

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Fixes

Solution

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Workaround

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History

Wed, 20 May 2026 09:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 18 May 2026 02:45:00 +0000

Type Values Removed Values Added
First Time appeared Edimax br-6428ns
Vendors & Products Edimax br-6428ns

Mon, 18 May 2026 01:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Edimax BR-6428NS POST Request formL2TPSetup buffer overflow
First Time appeared Edimax
Edimax br-6428ns Firmware
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:o:edimax:br-6428ns_firmware:*:*:*:*:*:*:*:*
Vendors & Products Edimax
Edimax br-6428ns Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': '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'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS: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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-18T20:15:08.124Z

Reserved: 2026-05-17T09:41:24.726Z

Link: CVE-2026-8775

cve-icon Vulnrichment

Updated: 2026-05-18T20:15:02.560Z

cve-icon NVD

Status : Deferred

Published: 2026-05-18T02:16:36.627

Modified: 2026-05-18T19:22:47.003

Link: CVE-2026-8775

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-18T02:30:15Z

Weaknesses