CVE-2026-9442

HIGH

Edimax BR-6478AC POST Request formiNICSiteSurvey buffer overflow

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-365423 | Edimax BR-6478AC POST Request formiNICSiteSurvey buffer overflow
https://vuldb.com/vuln/365423
Signature, Permissions Required signature permissions-required
VDB-365423 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/365423/cti
Third Party Advisory third-party-advisory
Submit #818451 | Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflow
https://vuldb.com/submit/818451

Scores

CVSS v3 8.8
EPSS 0.0075
EPSS Percentile 50.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
Edimax/BR-6478AC 1.23
Published May 25, 2026
Tracked Since May 25, 2026