A weakness has been identified in Edimax BR-6478AC 1.23. This affects the function formiNICSiteSurvey of the file /goform/formiNICSiteSurvey of the component POST Request Handler. Executing a manipulation of the argument selSSID can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
History

Thu, 28 May 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 25 May 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Edimax br-6478ac
Vendors & Products Edimax br-6478ac

Mon, 25 May 2026 09:45:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in Edimax BR-6478AC 1.23. This affects the function formiNICSiteSurvey of the file /goform/formiNICSiteSurvey of the component POST Request Handler. Executing a manipulation of the argument selSSID can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Title Edimax BR-6478AC POST Request formiNICSiteSurvey buffer overflow
First Time appeared Edimax
Edimax br-6478ac Firmware
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:o:edimax:br-6478ac_firmware:*:*:*:*:*:*:*:*
Vendors & Products Edimax
Edimax br-6478ac 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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-05-25T08:30:10.571Z

Updated: 2026-05-28T13:06:57.485Z

Reserved: 2026-05-24T07:25:58.734Z

Link: CVE-2026-9442

cve-icon Vulnrichment

Updated: 2026-05-28T13:06:54.327Z

cve-icon NVD

Status : Deferred

Published: 2026-05-25T10:16:15.973

Modified: 2026-05-26T19:37:00.120

Link: CVE-2026-9442

cve-icon Redhat

No data.