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CVE-2026-77966

Ebyte NA111-M Missing Authorization

HIGH
8.8
CVSS Score
Published: August 31, 2026 at 03:33 PM UTC
Updated: October 5, 2026 at 07:22 PM UTC
1 product affected across 1 vendorNA111-M

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

The affected Ebyte product does not provide separation between limited and administrative management functions. A low privileged authenticated attacker could access security sensitive configuration functions and modify settings that affect the confidentiality, integrity, or availability of the device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06
Source: cverecord
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHicscert
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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