Medium severity · published Jun 21, 2026
CVE-2026-12807
Edimax BR-6478AC V2 POST Request setWAN command injection
6.3
CVSS
2.4%
EPSS
No
On KEV
Description
A vulnerability was found in Edimax BR-6478AC V2 1.23. This affects the function setWAN of the file /goform/setWAN of the component POST Request Handler. The manipulation of the argument pppUserName/pptpUserName/L2TPUserName results in command injection. It is possible to launch the attack remotely. The exploit has been made public and could 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:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BV
BR-6478AC V2 · Edimax
1.23 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12807
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12807
lavender-bicycle-a5a.notion.site
https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-setWAN-34b53a41781f80b98c4be24d8cae61b1?source=copy_link
vuldb.com
https://vuldb.com/cve/CVE-2026-12807
vuldb.com
https://vuldb.com/submit/836669
vuldb.com
https://vuldb.com/vuln/372601
vuldb.com
https://vuldb.com/vuln/372601/cti
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