Vulnerability · Published Aug 27, 2026 · Assigned by icscert
CVE-2026-76940Ebyte NA111-M Improper Restriction of Excessive Authentication Attempts
High 7.5
In plain English
A high-severity security flaw 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 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 56.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The affected Ebyte device does not restrict repeated authentication attempts through rate limiting or account lockout mechanisms. This could allow an attacker to perform automated authentication attacks against deployments that rely on password based authentication.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ebyte | Ebyte NA111-M Firmware | 9013-2-17 |
Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N