CVE-2026-10166 Edimax BR-6478AC POST Request formWlbasic command injection
Remote attackers can execute arbitrary commands on Edimax BR-6478AC routers via the formWlbasic POST 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-2026-10166?
CVE-2026-10166 is a medium-severity command injection vulnerability in Edimax BR-6478AC, published on 31 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in Edimax BR-6478AC 1.23. The affected element is the function formWlbasic of the file /goform/formWlbasic of the component POST Request Handler. This manipulation of the argument rootAPmac causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
Which versions are affected by CVE-2026-10166?
How do I fix CVE-2026-10166?
No fix has been published for CVE-2026-10166 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-2026-10166 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10166 exists.
Sources
Also known as GHSA-xrc6-7rx8-67xr.