CVE-2026-77966 Ebyte NA111-M Missing Authorization
A low-privileged attacker can access administrative functions and modify sensitive settings on Ebyte NA111-M devices due to missing authorization checks.
- 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-2026-77966?
CVE-2026-77966 is a high-severity missing authorization vulnerability in Ebyte NA111-M Firmware, published on 31 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The affected Ebyte
product does not provide separation between limited and administrative management functions. A low privileged authenticated attacker could access security sensitive configuration functions and modify settings that affect the confidentiality, integrity, or availability of the device.
Weakness: CWE-862
Which versions are affected by CVE-2026-77966?
How do I fix CVE-2026-77966?
No fix has been published for CVE-2026-77966 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-77966 being exploited?
There is no known exploitation of CVE-2026-77966 in the wild and no public exploit code.
Sources
Also known as GHSA-95vr-mjhg-w4w3.