CVE-2026-12807
Edimax BR-6478AC V2 POST Request setWAN command injection
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.
INFO
Published Date :
June 21, 2026, 7:45 p.m.
Last Modified :
June 21, 2026, 7:45 p.m.
Remotely Exploit :
No
Source :
VulDB
Solution
- Sanitize all user-supplied input for command execution.
- Validate and restrict input to expected values.
- Implement input validation on provided arguments.
- Update to a secure firmware version when available.
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