CVSS 3.1 Score 9.8 of 10 (high)


Published Sep 20, 2023
Updated: Sep 22, 2023
CWE ID 434


CVE-2023-43478 is a critical cyber vulnerability that affects the Telstra Smart Modem Gen 2 (Arcadyan LH1000) with firmware versions below 0.18.15r. The vulnerability, categorized as CWE-434 (Unrestricted Upload of File with Dangerous Type), allows unauthenticated attackers to upload firmware images and configuration backups. This can potentially lead to unauthorized alteration of the device's firmware or configuration, enabling code execution with root privileges. The vulnerability has a CVSS base score of 9.8 and poses a high risk to organizations, with potential impacts on integrity and confidentiality. To remediate the vulnerability, it is recommended to update the firmware to version 0.18.15r or later.

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