CVE-2026-9442 | THREATINT

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.

PUBLISHED Reserved 2026-05-24 | Published 2026-05-25 | Updated 2026-05-28 | Assigner VulDB

HIGH: 8.7CVSS: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

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

1.23

affected

Timeline

2026-05-24:	Advisory disclosed
2026-05-24:	VulDB entry created
2026-05-24:	VulDB entry last update

Credits

wxhwxhwxh_mie (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365423 (VDB-365423 | Edimax BR-6478AC POST Request formiNICSiteSurvey buffer overflow) vdb-entry technical-description

vuldb.com/vuln/365423/cti (VDB-365423 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/818451 (Submit #818451 | Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflow) third-party-advisory

lavender-bicycle-a5a.notion.site/...f02978f?source=copy_link exploit

cve.org (CVE-2026-9442)

nvd.nist.gov (CVE-2026-9442)

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