High severity · published May 24, 2026
CVE-2026-9380
Edimax BR-6675nD POST Request formL2TPSetup buffer overflow
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Edimax BR-6675nD 1.12. Affected is the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. Such manipulation of the argument L2TPUserName leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. 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-2026-9380
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9380
lavender-bicycle-a5a.notion.site
https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formL2TPSetup-34b53a41781f805abdfbdcbe930ad70a?source=copy_link
vuldb.com
https://vuldb.com/submit/811558
vuldb.com
https://vuldb.com/vuln/365343
vuldb.com
https://vuldb.com/vuln/365343/cti
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