CVE-2026-77977
High
Description
Ebyte gateway product's vendor configuration utility does not require authentication before allowing certain disruptive administrative actions when default credentials remain configured. An unauthenticated attacker on the adjacent network could reboot the device or restore factory settings, resulting in a loss of configuration and service availability.
SeverityHigh
CVSS8.1
Exploit probability—
ProductEbyte NA111-M Firmware
PublishedAug 28, 2026
First seenAug 28, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Ebyte Ebyte NA111-M Firmware | 9013-2-17 | — |
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