Description
A vulnerability was identified in Edimax BR-6428NS 1.10. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published: 2026-05-23
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 26 May 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Sat, 23 May 2026 09:45:00 +0000

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

Sat, 23 May 2026 08:00:00 +0000

Type Values Removed Values Added
Description A vulnerability was identified in Edimax BR-6428NS 1.10. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title Edimax BR-6428NS POST Request formWanTcpipSetup 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'}


Subscriptions

Edimax Br-6428ns Br-6428ns Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-26T13:17:49.095Z

Reserved: 2026-05-22T17:38:37.055Z

Link: CVE-2026-9294

cve-icon Vulnrichment

Updated: 2026-05-26T13:17:45.005Z

cve-icon NVD

Status : Deferred

Published: 2026-05-23T08:16:28.007

Modified: 2026-06-17T11:05:01.000

Link: CVE-2026-9294

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-23T09:30:14Z

Weaknesses