SB2019032602 - Backdoor in Asus Live Update



SB2019032602 - Backdoor in Asus Live Update

Published: March 26, 2019 Updated: December 18, 2025

Security Bulletin ID SB2019032602
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Hidden functionality (backdoor) (CVE-ID: CVE-2025-59374)

CWE-ID: CWE-912 - Hidden Functionality (Backdoor)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to compromise vulnerable system

The vulnerability exists due to hidden functionality (backdoor) is present in software. A remote attacker can use this functionality to gain full access to the application and compromise the affected system.

Note: this backdoor was implented as a result of ASUS servers compromise within the APT attack dubbed “Operation ShadowHammer”. The campaign ran from June to at least November 2018.


Remediation

Install update from vendor's website.