CVE-2026-77977

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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-28 00:18

Updated : 2026-08-31 19:18

NVD link : CVE-2026-77977

Mitre link : CVE-2026-77977

CVE.ORG link : CVE-2026-77977

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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