CVE-2026-9441 Edimax BR-6478AC POST Request formiNICbasic command injection
Remote attackers can execute arbitrary commands on Edimax BR-6478AC routers via the formiNICbasic handler due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9441?
CVE-2026-9441 is a medium-severity command injection vulnerability in Edimax BR-6478AC, published on 25 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-9441?
How do I fix CVE-2026-9441?
No fix has been published for CVE-2026-9441 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-9441 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9441 exists.
Sources
Also known as GHSA-56x4-p9v5-x925.