CVE-2026-9378 Edimax BR-6675nD POST Request formHwSet command injection
Remote attackers can execute arbitrary commands on Edimax BR-6675nD routers via crafted POST requests to the formHwSet handler.
- 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-2026-9378?
CVE-2026-9378 is a medium-severity command injection vulnerability in Edimax BR-6675nD, published on 24 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-6675nD 1.12. This affects the function formHwSet of the file /goform/formHwSet of the component POST Request Handler. The manipulation of the argument regDomain/ABandregDomain/nic0Addr/nic1Addr/wlanAddr/inicAddr results in command injection. It is possible to launch the attack 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-2026-9378?
How do I fix CVE-2026-9378?
No fix has been published for CVE-2026-9378 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-2026-9378 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9378 exists.
Sources
Also known as GHSA-r6mh-xmgq-5898.