What is CVE-2026-76179?

CVE-2026-76179 is a critical-severity vulnerability in Ebyte Na111-M Firmware, classified under CWE-598. CVSS score: 9.8/10. Published 2026-08-28.

How severe is CVE-2026-76179?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Ebyte Na111-M Firmware

CVE-2026-76179

An improper protection of authentication tokens vulnerability exists in certain Ebyte gateway products. Authentication tokens used by the web management interface are insufficiently protected during client-side session handling, which may allow an attacker with access to exposed session information to obtain and reuse a valid token. Successful exploitation could allow an attacker to impersonate an authenticated user and gain unauthorized access to device management functionality.

Published 2026-08-28 · last modified 2026-08-31.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.8th percentile), scored 2026-10-12.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.002

Affected products

Ebyte Na111-M Firmware — versions 9013-2-17
Ebyte Ne2-D11 Firmware — versions FW-9167-0-11

Weakness classification (CWE)

CWE-598

References

Frequently asked questions

What is CVE-2026-76179?: CVE-2026-76179 is a critical-severity vulnerability in Ebyte Na111-M Firmware, classified under CWE-598. CVSS score: 9.8/10. Published 2026-08-28.
How severe is CVE-2026-76179?: Critical severity. CVSS v3 base score is 9.8 out of 10.