High severity · published May 24, 2026
CVE-2026-9403
Edimax BR-6675nD POST Request formWlSiteSurvey buffer overflow
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability was determined in Edimax BR-6675nD 1.12. The impacted element is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component POST Request Handler. This manipulation of the argument selSSID causes buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BR
BR-6675nD · Edimax
1.12 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9403
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9403
lavender-bicycle-a5a.notion.site
https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formWlSiteSurvey-34b53a41781f80608091f104f17e1e9b?source=copy_link
vuldb.com
https://vuldb.com/submit/811566
vuldb.com
https://vuldb.com/vuln/365384
vuldb.com
https://vuldb.com/vuln/365384/cti
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