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CVE-2026-12806

Edimax BR-6478AC V2 POST Request formWlSiteSurvey buffer overflow

Published: Jun 21, 2026Updated: Jun 22, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A vulnerability has been found in Edimax BR-6478AC V2 1.23. The impacted element is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component POST Request Handler. The manipulation of the argument selSSID leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-120

Affected Products

BR-6478AC V2EdimaxNetworking Infrastructure
edimaxcommercialTWNetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formWlSiteSurvey-34b53a41781f80669c10df409a0851d4?source=copy_link
lavender-bicycle-a5a.notion.site
https://vuldb.com/cve/CVE-2026-12806
vuldb.com
https://vuldb.com/submit/836668
vuldb.com
and 2 more references View all →

Timeline

Published
Jun 21, 2026
Last Updated
Jun 22, 2026

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