Medium severity · published May 25, 2026
CVE-2026-9441
Edimax BR-6478AC POST Request formiNICbasic command injection
6.3
CVSS
15%
EPSS
No
On KEV
Description
A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formiNICbasic of the file /goform/formiNICbasic of the component POST Request Handler. Performing a manipulation of the argument rootAPmac results in command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. 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)15.0% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BR
BR-6478AC · Edimax
1.23 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9441
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9441
lavender-bicycle-a5a.notion.site
https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formiNICbasic-34b53a41781f808bbc45e8ca54f93dd1?source=copy_link
vuldb.com
https://vuldb.com/submit/818450
vuldb.com
https://vuldb.com/vuln/365422
vuldb.com
https://vuldb.com/vuln/365422/cti
More from BR-6478AC
9.8
CVE-2023-49351
A stack-based buffer overflow vulnerability in /bin/webs binary in Edimax BR6478AC V2 firmware veraion v1.23 allows attackers to overwrite other values located on the stack due to…
8.8
CVE-2026-10165
Edimax BR-6478AC POST Request formWanTcpipSetup stack-based overflow
8.8
CVE-2026-10164
Edimax BR-6478AC POST Request formUSBFolder buffer overflow
8.8
CVE-2026-10163
Edimax BR-6478AC POST Request formUSBAccount buffer overflow
8.8
CVE-2026-10126
Edimax BR-6478AC POST Request formQoS buffer overflow