CVE-2026-52748

HighCVSS 7.1/10Last modified Sep 28, 2026

Description

The Kaon AR2140X router contains a vulnerability where the backup functionality is accessible without authentication. This allows an unauthenticated remote attacker to trigger a configuration backup and retrieve it in a form encrypted by a device-specific key. Triggering this function renders the router inoperable for a substantial period of time.

This issue was identified in firmware versions up to 4.2.17. Status of newer versions remains unknown.

Metrics

CVSS 4.0 7.1/10

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published: Sep 28, 2026
Last modified: Sep 28, 2026
NVD status: Deferred

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