Vulnerability · Published Aug 27, 2026 · Assigned by icscert
CVE-2026-71187Ebyte NA111-M Use of Client-Side Authentication
Critical 9.8
In plain English
A critical-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 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 43.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Ebyte device relies on client side authentication logic that can be reproduced by unauthenticated users. An attacker may generate valid authentication requests and bypass authentication to obtain administrative access to the device.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ebyte | Ebyte NA111-M Firmware | 9013-2-17 |
Weakness: CWE-603 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H