8.8
CWE
94 75
Advisory Published
Updated

CVE-2023-23912: Code Injection

First published: Thu Feb 09 2023(Updated: )

A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
Ui Usg Firmware<4.4.57
Ui Usg
Ui Usg-pro-4 Firmware<4.4.57
Ui Usg-pro-4
Ui Er-10x Firmware<2.0.9
Ui Er-10x Firmware=2.0.9
Ui Er-10x Firmware=2.0.9-hotfix2
Ui Er-10x Firmware=2.0.9-hotfix4
Ui Er-10x Firmware=2.0.9-hotfix5
Ui Er-10x
Ui Er-12 Firmware<2.0.9
Ui Er-12 Firmware=2.0.9
Ui Er-12 Firmware=2.0.9-hotfix2
Ui Er-12 Firmware=2.0.9-hotfix4
Ui Er-12 Firmware=2.0.9-hotfix5
Ui Er-12
Ui Er-12p Firmware<2.0.9
Ui Er-12p Firmware=2.0.9
Ui Er-12p Firmware=2.0.9-hotfix2
Ui Er-12p Firmware=2.0.9-hotfix4
Ui Er-12p Firmware=2.0.9-hotfix5
Ui Er-12p
Ui Er-4 Firmware<2.0.9
Ui Er-4 Firmware=2.0.9
Ui Er-4 Firmware=2.0.9-hotfix2
Ui Er-4 Firmware=2.0.9-hotfix4
Ui Er-4 Firmware=2.0.9-hotfix5
Ui Er-4
Ui Er-6p Firmware<2.0.9
Ui Er-6p Firmware=2.0.9
Ui Er-6p Firmware=2.0.9-hotfix2
Ui Er-6p Firmware=2.0.9-hotfix4
Ui Er-6p Firmware=2.0.9-hotfix5
Ui Er-6p
Ui Er-8-xg Firmware<2.0.9
Ui Er-8-xg Firmware=2.0.9
Ui Er-8-xg Firmware=2.0.9-hotfix2
Ui Er-8-xg Firmware=2.0.9-hotfix4
Ui Er-8-xg Firmware=2.0.9-hotfix5
Ui Er-8-xg
Ui Er-x Firmware<2.0.9
Ui Er-x Firmware=2.0.9
Ui Er-x Firmware=2.0.9-hotfix2
Ui Er-x Firmware=2.0.9-hotfix4
Ui Er-x Firmware=2.0.9-hotfix5
Ui Er-x
Ui Er-x-sfp Firmware<2.0.9
Ui Er-x-sfp Firmware=2.0.9
Ui Er-x-sfp Firmware=2.0.9-hotfix2
Ui Er-x-sfp Firmware=2.0.9-hotfix4
Ui Er-x-sfp Firmware=2.0.9-hotfix5
Ui Er-x-sfp

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Frequently Asked Questions

  • What is CVE-2023-23912?

    CVE-2023-23912 is a vulnerability found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allowing a malicious actor to directly connect to the WAN interface of the affected device.

  • How severe is CVE-2023-23912?

    CVE-2023-23912 has a severity rating of 8.8, which is considered high.

  • How can I fix CVE-2023-23912?

    To fix CVE-2023-23912, update your EdgeRouters to Version 2.0.9-hotfix.6 or later, or update your UniFi Security Gateways (USG) to Version 4.4.57 or later.

  • Is my device affected by CVE-2023-23912?

    If you are using EdgeRouters Version 2.0.9-hotfix.5 or earlier, or UniFi Security Gateways (USG) Version 4.4.56 or earlier with DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, then your device is affected by CVE-2023-23912.

  • Where can I find more information about CVE-2023-23912?

    You can find more information about CVE-2023-23912 in the security advisory bulletin released by the community.ui.com. Please refer to the following link: [Security Advisory Bulletin](https://community.ui.com/releases/Security-Advisory-Bulletin-028-028/696e4e3b-718c-4da4-9a21-965a85633b5f).

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