Vulnerability · Published Aug 27, 2026 · Assigned by icscert

CVE-2026-77977Ebyte NA111-M Missing Authentication for Critical Function

High 8.1

In plain English

A high-severity missing authentication in Ebyte NA111-M Firmware from Ebyte. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.4%top 69.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Ebyte	Ebyte NA111-M Firmware	9013-2-17

Weakness: CWE-306 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

In plain English

Official description

Affected products (as reported)

References